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Finding the Fourth Proportional to 153,632.88, 230,553 and 53,793.72

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Solution

The fourth proportional to 153,632.88, 230,553 and 53,793.72 is: 80,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,632.88 : 230,553 = 53,793.72 : x
  2. Step 2: Convert to fraction form
    153,632.88/230,553 = 53,793.72/x
  3. Step 3: Cross multiply
    153,632.88x = 230,553 × 53,793.72
  4. Step 4: Simplify right side
    153,632.88x = 12,402,303,527.16
  5. Step 5: Solve for x
    x = 12,402,303,527.16/153,632.88
  6. Step 6: Final answer
    x = 80,726.88

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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.