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Finding the Fourth Proportional to 104,688.65, 144,472.01 and 59,365.71

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Solution

The fourth proportional to 104,688.65, 144,472.01 and 59,365.71 is: 81,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,688.65 : 144,472.01 = 59,365.71 : x
  2. Step 2: Convert to fraction form
    104,688.65/144,472.01 = 59,365.71/x
  3. Step 3: Cross multiply
    104,688.65x = 144,472.01 × 59,365.71
  4. Step 4: Simplify right side
    104,688.65x = 8,576,683,151.95
  5. Step 5: Solve for x
    x = 8,576,683,151.95/104,688.65
  6. Step 6: Final answer
    x = 81,925.62

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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.