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Finding the Fourth Proportional to 136,503.86, 204,792.69 and 41,737.40

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Solution

The fourth proportional to 136,503.86, 204,792.69 and 41,737.40 is: 62,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,503.86 : 204,792.69 = 41,737.40 : x
  2. Step 2: Convert to fraction form
    136,503.86/204,792.69 = 41,737.40/x
  3. Step 3: Cross multiply
    136,503.86x = 204,792.69 × 41,737.40
  4. Step 4: Simplify right side
    136,503.86x = 8,547,513,395.64
  5. Step 5: Solve for x
    x = 8,547,513,395.64/136,503.86
  6. Step 6: Final answer
    x = 62,617.38

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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.