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Finding the Fourth Proportional to 123,750.30, 185,625.45 and 73,886.70

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Solution

The fourth proportional to 123,750.30, 185,625.45 and 73,886.70 is: 110,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,750.30 : 185,625.45 = 73,886.70 : x
  2. Step 2: Convert to fraction form
    123,750.30/185,625.45 = 73,886.70/x
  3. Step 3: Cross multiply
    123,750.30x = 185,625.45 × 73,886.70
  4. Step 4: Simplify right side
    123,750.30x = 13,715,251,936.52
  5. Step 5: Solve for x
    x = 13,715,251,936.52/123,750.30
  6. Step 6: Final answer
    x = 110,830.05

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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.