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Finding the Fourth Proportional to 150,061.87, 225,009.71 and 61,377.66

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Solution

The fourth proportional to 150,061.87, 225,009.71 and 61,377.66 is: 92,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,061.87 : 225,009.71 = 61,377.66 : x
  2. Step 2: Convert to fraction form
    150,061.87/225,009.71 = 61,377.66/x
  3. Step 3: Cross multiply
    150,061.87x = 225,009.71 × 61,377.66
  4. Step 4: Simplify right side
    150,061.87x = 13,810,569,477.08
  5. Step 5: Solve for x
    x = 13,810,569,477.08/150,061.87
  6. Step 6: Final answer
    x = 92,032.50

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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.