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Finding the Fourth Proportional to 97,798.20, 146,654.10 and 38,614.20

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Solution

The fourth proportional to 97,798.20, 146,654.10 and 38,614.20 is: 57,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,798.20 : 146,654.10 = 38,614.20 : x
  2. Step 2: Convert to fraction form
    97,798.20/146,654.10 = 38,614.20/x
  3. Step 3: Cross multiply
    97,798.20x = 146,654.10 × 38,614.20
  4. Step 4: Simplify right side
    97,798.20x = 5,662,930,748.22
  5. Step 5: Solve for x
    x = 5,662,930,748.22/97,798.20
  6. Step 6: Final answer
    x = 57,904.24

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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.