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Finding the Fourth Proportional to 354,701.62, 532,061.61 and 101,971.90

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Solution

The fourth proportional to 354,701.62, 532,061.61 and 101,971.90 is: 152,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,701.62 : 532,061.61 = 101,971.90 : x
  2. Step 2: Convert to fraction form
    354,701.62/532,061.61 = 101,971.90/x
  3. Step 3: Cross multiply
    354,701.62x = 532,061.61 × 101,971.90
  4. Step 4: Simplify right side
    354,701.62x = 54,255,333,288.76
  5. Step 5: Solve for x
    x = 54,255,333,288.76/354,701.62
  6. Step 6: Final answer
    x = 152,960.49

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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.