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Finding the Fourth Proportional to 123,866.87, 185,800.32 and 101,889.95

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Solution

The fourth proportional to 123,866.87, 185,800.32 and 101,889.95 is: 152,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,866.87 : 185,800.32 = 101,889.95 : x
  2. Step 2: Convert to fraction form
    123,866.87/185,800.32 = 101,889.95/x
  3. Step 3: Cross multiply
    123,866.87x = 185,800.32 × 101,889.95
  4. Step 4: Simplify right side
    123,866.87x = 18,931,184,385.78
  5. Step 5: Solve for x
    x = 18,931,184,385.78/123,866.87
  6. Step 6: Final answer
    x = 152,834.94

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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.