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Finding the Fourth Proportional to 146,641.79, 202,463.65 and 98,877.71

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Solution

The fourth proportional to 146,641.79, 202,463.65 and 98,877.71 is: 136,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,641.79 : 202,463.65 = 98,877.71 : x
  2. Step 2: Convert to fraction form
    146,641.79/202,463.65 = 98,877.71/x
  3. Step 3: Cross multiply
    146,641.79x = 202,463.65 × 98,877.71
  4. Step 4: Simplify right side
    146,641.79x = 20,019,142,700.00
  5. Step 5: Solve for x
    x = 20,019,142,700.00/146,641.79
  6. Step 6: Final answer
    x = 136,517.31

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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.