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Finding the Fourth Proportional to 153,672.71, 230,377.57 and 58,970.85

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Solution

The fourth proportional to 153,672.71, 230,377.57 and 58,970.85 is: 88,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,672.71 : 230,377.57 = 58,970.85 : x
  2. Step 2: Convert to fraction form
    153,672.71/230,377.57 = 58,970.85/x
  3. Step 3: Cross multiply
    153,672.71x = 230,377.57 × 58,970.85
  4. Step 4: Simplify right side
    153,672.71x = 13,585,561,408.37
  5. Step 5: Solve for x
    x = 13,585,561,408.37/153,672.71
  6. Step 6: Final answer
    x = 88,405.82

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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.