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Finding the Fourth Proportional to 100,937.30, 151,405.95 and 94,327.70

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Solution

The fourth proportional to 100,937.30, 151,405.95 and 94,327.70 is: 141,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,937.30 : 151,405.95 = 94,327.70 : x
  2. Step 2: Convert to fraction form
    100,937.30/151,405.95 = 94,327.70/x
  3. Step 3: Cross multiply
    100,937.30x = 151,405.95 × 94,327.70
  4. Step 4: Simplify right side
    100,937.30x = 14,281,775,029.82
  5. Step 5: Solve for x
    x = 14,281,775,029.82/100,937.30
  6. Step 6: Final answer
    x = 141,491.55

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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.