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Finding the Fourth Proportional to 160,545.71, 240,893.28 and 71,859.21

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Solution

The fourth proportional to 160,545.71, 240,893.28 and 71,859.21 is: 107,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,545.71 : 240,893.28 = 71,859.21 : x
  2. Step 2: Convert to fraction form
    160,545.71/240,893.28 = 71,859.21/x
  3. Step 3: Cross multiply
    160,545.71x = 240,893.28 × 71,859.21
  4. Step 4: Simplify right side
    160,545.71x = 17,310,400,795.11
  5. Step 5: Solve for x
    x = 17,310,400,795.11/160,545.71
  6. Step 6: Final answer
    x = 107,822.26

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1.5x scale

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.