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Finding the Fourth Proportional to 101,793.45, 152,749.71 and 42,624.17

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Solution

The fourth proportional to 101,793.45, 152,749.71 and 42,624.17 is: 63,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,793.45 : 152,749.71 = 42,624.17 : x
  2. Step 2: Convert to fraction form
    101,793.45/152,749.71 = 42,624.17/x
  3. Step 3: Cross multiply
    101,793.45x = 152,749.71 × 42,624.17
  4. Step 4: Simplify right side
    101,793.45x = 6,510,828,842.74
  5. Step 5: Solve for x
    x = 6,510,828,842.74/101,793.45
  6. Step 6: Final answer
    x = 63,961.18

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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.