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Finding the Fourth Proportional to 147,892.60, 221,838.90 and 88,697.80

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Solution

The fourth proportional to 147,892.60, 221,838.90 and 88,697.80 is: 133,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,892.60 : 221,838.90 = 88,697.80 : x
  2. Step 2: Convert to fraction form
    147,892.60/221,838.90 = 88,697.80/x
  3. Step 3: Cross multiply
    147,892.60x = 221,838.90 × 88,697.80
  4. Step 4: Simplify right side
    147,892.60x = 19,676,622,384.42
  5. Step 5: Solve for x
    x = 19,676,622,384.42/147,892.60
  6. Step 6: Final answer
    x = 133,046.70

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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.