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Finding the Fourth Proportional to 355,445.55, 533,151.92 and 89,200.17

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Solution

The fourth proportional to 355,445.55, 533,151.92 and 89,200.17 is: 133,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,445.55 : 533,151.92 = 89,200.17 : x
  2. Step 2: Convert to fraction form
    355,445.55/533,151.92 = 89,200.17/x
  3. Step 3: Cross multiply
    355,445.55x = 533,151.92 × 89,200.17
  4. Step 4: Simplify right side
    355,445.55x = 47,557,242,122.83
  5. Step 5: Solve for x
    x = 47,557,242,122.83/355,445.55
  6. Step 6: Final answer
    x = 133,796.14

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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.