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Finding the Fourth Proportional to 169,648.60, 254,472.90 and 155,133.40

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Solution

The fourth proportional to 169,648.60, 254,472.90 and 155,133.40 is: 232,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,648.60 : 254,472.90 = 155,133.40 : x
  2. Step 2: Convert to fraction form
    169,648.60/254,472.90 = 155,133.40/x
  3. Step 3: Cross multiply
    169,648.60x = 254,472.90 × 155,133.40
  4. Step 4: Simplify right side
    169,648.60x = 39,477,246,184.86
  5. Step 5: Solve for x
    x = 39,477,246,184.86/169,648.60
  6. Step 6: Final answer
    x = 232,700.10

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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.