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Finding the Fourth Proportional to 152,425.50, 210,344.34 and 84,440.97

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Solution

The fourth proportional to 152,425.50, 210,344.34 and 84,440.97 is: 116,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,425.50 : 210,344.34 = 84,440.97 : x
  2. Step 2: Convert to fraction form
    152,425.50/210,344.34 = 84,440.97/x
  3. Step 3: Cross multiply
    152,425.50x = 210,344.34 × 84,440.97
  4. Step 4: Simplify right side
    152,425.50x = 17,761,680,103.61
  5. Step 5: Solve for x
    x = 17,761,680,103.61/152,425.50
  6. Step 6: Final answer
    x = 116,526.96

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1.5x scale

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.