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Finding the Fourth Proportional to 101,353.85, 139,882.23 and 58,332.48

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Solution

The fourth proportional to 101,353.85, 139,882.23 and 58,332.48 is: 80,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,353.85 : 139,882.23 = 58,332.48 : x
  2. Step 2: Convert to fraction form
    101,353.85/139,882.23 = 58,332.48/x
  3. Step 3: Cross multiply
    101,353.85x = 139,882.23 × 58,332.48
  4. Step 4: Simplify right side
    101,353.85x = 8,159,676,640.53
  5. Step 5: Solve for x
    x = 8,159,676,640.53/101,353.85
  6. Step 6: Final answer
    x = 80,506.82

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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.