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Finding the Fourth Proportional to 169,643.60, 254,465.40 and 51,333.20

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Solution

The fourth proportional to 169,643.60, 254,465.40 and 51,333.20 is: 76,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,643.60 : 254,465.40 = 51,333.20 : x
  2. Step 2: Convert to fraction form
    169,643.60/254,465.40 = 51,333.20/x
  3. Step 3: Cross multiply
    169,643.60x = 254,465.40 × 51,333.20
  4. Step 4: Simplify right side
    169,643.60x = 13,062,523,271.28
  5. Step 5: Solve for x
    x = 13,062,523,271.28/169,643.60
  6. Step 6: Final answer
    x = 76,999.80

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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.