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Finding the Fourth Proportional to 92,785.43, 139,110.01 and 29,569.19

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Solution

The fourth proportional to 92,785.43, 139,110.01 and 29,569.19 is: 44,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,785.43 : 139,110.01 = 29,569.19 : x
  2. Step 2: Convert to fraction form
    92,785.43/139,110.01 = 29,569.19/x
  3. Step 3: Cross multiply
    92,785.43x = 139,110.01 × 29,569.19
  4. Step 4: Simplify right side
    92,785.43x = 4,113,369,547.12
  5. Step 5: Solve for x
    x = 4,113,369,547.12/92,785.43
  6. Step 6: Final answer
    x = 44,332.06

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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.