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Finding the Fourth Proportional to 153,291.89, 229,975.20 and 53,452.91

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Solution

The fourth proportional to 153,291.89, 229,975.20 and 53,452.91 is: 80,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,291.89 : 229,975.20 = 53,452.91 : x
  2. Step 2: Convert to fraction form
    153,291.89/229,975.20 = 53,452.91/x
  3. Step 3: Cross multiply
    153,291.89x = 229,975.20 × 53,452.91
  4. Step 4: Simplify right side
    153,291.89x = 12,292,844,242.77
  5. Step 5: Solve for x
    x = 12,292,844,242.77/153,291.89
  6. Step 6: Final answer
    x = 80,192.40

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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.