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Finding the Fourth Proportional to 169,778,276.40, 254,667,414.60 and 60,655,724.40

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Solution

The fourth proportional to 169,778,276.40, 254,667,414.60 and 60,655,724.40 is: 90,983,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,778,276.40 : 254,667,414.60 = 60,655,724.40 : x
  2. Step 2: Convert to fraction form
    169,778,276.40/254,667,414.60 = 60,655,724.40/x
  3. Step 3: Cross multiply
    169,778,276.40x = 254,667,414.60 × 60,655,724.40
  4. Step 4: Simplify right side
    169,778,276.40x = 15,447,036,513,638,136
  5. Step 5: Solve for x
    x = 15,447,036,513,638,136/169,778,276.40
  6. Step 6: Final answer
    x = 90,983,586.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.