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Finding the Fourth Proportional to 153,172.62, 229,760.04 and 53,332.64

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Solution

The fourth proportional to 153,172.62, 229,760.04 and 53,332.64 is: 79,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,172.62 : 229,760.04 = 53,332.64 : x
  2. Step 2: Convert to fraction form
    153,172.62/229,760.04 = 53,332.64/x
  3. Step 3: Cross multiply
    153,172.62x = 229,760.04 × 53,332.64
  4. Step 4: Simplify right side
    153,172.62x = 12,253,710,704.90
  5. Step 5: Solve for x
    x = 12,253,710,704.90/153,172.62
  6. Step 6: Final answer
    x = 79,999.35

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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.