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Finding the Fourth Proportional to 288,121.98, 432,166.56 and 88,442.04

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Solution

The fourth proportional to 288,121.98, 432,166.56 and 88,442.04 is: 132,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,121.98 : 432,166.56 = 88,442.04 : x
  2. Step 2: Convert to fraction form
    288,121.98/432,166.56 = 88,442.04/x
  3. Step 3: Cross multiply
    288,121.98x = 432,166.56 × 88,442.04
  4. Step 4: Simplify right side
    288,121.98x = 38,221,692,186.18
  5. Step 5: Solve for x
    x = 38,221,692,186.18/288,121.98
  6. Step 6: Final answer
    x = 132,658.02

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1.5x scale

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.