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Finding the Fourth Proportional to 152,708.52, 229,152.42 and 63,955.20

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Solution

The fourth proportional to 152,708.52, 229,152.42 and 63,955.20 is: 95,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,708.52 : 229,152.42 = 63,955.20 : x
  2. Step 2: Convert to fraction form
    152,708.52/229,152.42 = 63,955.20/x
  3. Step 3: Cross multiply
    152,708.52x = 229,152.42 × 63,955.20
  4. Step 4: Simplify right side
    152,708.52x = 14,655,488,851.58
  5. Step 5: Solve for x
    x = 14,655,488,851.58/152,708.52
  6. Step 6: Final answer
    x = 95,970.34

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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.