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Finding the Fourth Proportional to 63,134.45, 87,140.45 and 36,292.53

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Solution

The fourth proportional to 63,134.45, 87,140.45 and 36,292.53 is: 50,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,134.45 : 87,140.45 = 36,292.53 : x
  2. Step 2: Convert to fraction form
    63,134.45/87,140.45 = 36,292.53/x
  3. Step 3: Cross multiply
    63,134.45x = 87,140.45 × 36,292.53
  4. Step 4: Simplify right side
    63,134.45x = 3,162,547,214.38
  5. Step 5: Solve for x
    x = 3,162,547,214.38/63,134.45
  6. Step 6: Final answer
    x = 50,092.26

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1.5x scale

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.