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Finding the Fourth Proportional to 265,697.55, 398,459.61 and 88,156.89

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Solution

The fourth proportional to 265,697.55, 398,459.61 and 88,156.89 is: 132,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,697.55 : 398,459.61 = 88,156.89 : x
  2. Step 2: Convert to fraction form
    265,697.55/398,459.61 = 88,156.89/x
  3. Step 3: Cross multiply
    265,697.55x = 398,459.61 × 88,156.89
  4. Step 4: Simplify right side
    265,697.55x = 35,126,960,008.21
  5. Step 5: Solve for x
    x = 35,126,960,008.21/265,697.55
  6. Step 6: Final answer
    x = 132,206.56

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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.