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Finding the Fourth Proportional to 153,998.20, 230,897.40 and 65,227.60

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Solution

The fourth proportional to 153,998.20, 230,897.40 and 65,227.60 is: 97,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,998.20 : 230,897.40 = 65,227.60 : x
  2. Step 2: Convert to fraction form
    153,998.20/230,897.40 = 65,227.60/x
  3. Step 3: Cross multiply
    153,998.20x = 230,897.40 × 65,227.60
  4. Step 4: Simplify right side
    153,998.20x = 15,060,883,248.24
  5. Step 5: Solve for x
    x = 15,060,883,248.24/153,998.20
  6. Step 6: Final answer
    x = 97,799.09

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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.