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Finding the Fourth Proportional to 537,061.79, 805,532.24 and 137,711.95

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Solution

The fourth proportional to 537,061.79, 805,532.24 and 137,711.95 is: 206,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,061.79 : 805,532.24 = 137,711.95 : x
  2. Step 2: Convert to fraction form
    537,061.79/805,532.24 = 137,711.95/x
  3. Step 3: Cross multiply
    537,061.79x = 805,532.24 × 137,711.95
  4. Step 4: Simplify right side
    537,061.79x = 110,931,413,888.72
  5. Step 5: Solve for x
    x = 110,931,413,888.72/537,061.79
  6. Step 6: Final answer
    x = 206,552.42

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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.