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Finding the Fourth Proportional to 114,306.38, 157,737.30 and 63,315.66

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Solution

The fourth proportional to 114,306.38, 157,737.30 and 63,315.66 is: 87,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,306.38 : 157,737.30 = 63,315.66 : x
  2. Step 2: Convert to fraction form
    114,306.38/157,737.30 = 63,315.66/x
  3. Step 3: Cross multiply
    114,306.38x = 157,737.30 × 63,315.66
  4. Step 4: Simplify right side
    114,306.38x = 9,987,241,256.12
  5. Step 5: Solve for x
    x = 9,987,241,256.12/114,306.38
  6. Step 6: Final answer
    x = 87,372.56

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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.