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Finding the Fourth Proportional to 144,065.25, 198,836.07 and 85,925.71

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Solution

The fourth proportional to 144,065.25, 198,836.07 and 85,925.71 is: 118,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,065.25 : 198,836.07 = 85,925.71 : x
  2. Step 2: Convert to fraction form
    144,065.25/198,836.07 = 85,925.71/x
  3. Step 3: Cross multiply
    144,065.25x = 198,836.07 × 85,925.71
  4. Step 4: Simplify right side
    144,065.25x = 17,085,130,414.68
  5. Step 5: Solve for x
    x = 17,085,130,414.68/144,065.25
  6. Step 6: Final answer
    x = 118,593.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.