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Finding the Fourth Proportional to 152,717.40, 229,165.40 and 63,963.47

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Solution

The fourth proportional to 152,717.40, 229,165.40 and 63,963.47 is: 95,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,717.40 : 229,165.40 = 63,963.47 : x
  2. Step 2: Convert to fraction form
    152,717.40/229,165.40 = 63,963.47/x
  3. Step 3: Cross multiply
    152,717.40x = 229,165.40 × 63,963.47
  4. Step 4: Simplify right side
    152,717.40x = 14,658,212,722.29
  5. Step 5: Solve for x
    x = 14,658,212,722.29/152,717.40
  6. Step 6: Final answer
    x = 95,982.60

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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.