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Finding the Fourth Proportional to 172,777.62, 238,452.53 and 96,303.70

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Solution

The fourth proportional to 172,777.62, 238,452.53 and 96,303.70 is: 132,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,777.62 : 238,452.53 = 96,303.70 : x
  2. Step 2: Convert to fraction form
    172,777.62/238,452.53 = 96,303.70/x
  3. Step 3: Cross multiply
    172,777.62x = 238,452.53 × 96,303.70
  4. Step 4: Simplify right side
    172,777.62x = 22,963,860,729.91
  5. Step 5: Solve for x
    x = 22,963,860,729.91/172,777.62
  6. Step 6: Final answer
    x = 132,909.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.