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Finding the Fourth Proportional to 235,397.48, 324,543.61 and 152,463.91

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Solution

The fourth proportional to 235,397.48, 324,543.61 and 152,463.91 is: 210,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,397.48 : 324,543.61 = 152,463.91 : x
  2. Step 2: Convert to fraction form
    235,397.48/324,543.61 = 152,463.91/x
  3. Step 3: Cross multiply
    235,397.48x = 324,543.61 × 152,463.91
  4. Step 4: Simplify right side
    235,397.48x = 49,481,185,932.82
  5. Step 5: Solve for x
    x = 49,481,185,932.82/235,397.48
  6. Step 6: Final answer
    x = 210,202.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.