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Finding the Fourth Proportional to 107,472.90, 160,963.51 and 51,352.45

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Solution

The fourth proportional to 107,472.90, 160,963.51 and 51,352.45 is: 76,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,472.90 : 160,963.51 = 51,352.45 : x
  2. Step 2: Convert to fraction form
    107,472.90/160,963.51 = 51,352.45/x
  3. Step 3: Cross multiply
    107,472.90x = 160,963.51 × 51,352.45
  4. Step 4: Simplify right side
    107,472.90x = 8,265,870,873.13
  5. Step 5: Solve for x
    x = 8,265,870,873.13/107,472.90
  6. Step 6: Final answer
    x = 76,911.21

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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.