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Finding the Fourth Proportional to 97,362.60, 146,043.90 and 38,200.20

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Solution

The fourth proportional to 97,362.60, 146,043.90 and 38,200.20 is: 57,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,362.60 : 146,043.90 = 38,200.20 : x
  2. Step 2: Convert to fraction form
    97,362.60/146,043.90 = 38,200.20/x
  3. Step 3: Cross multiply
    97,362.60x = 146,043.90 × 38,200.20
  4. Step 4: Simplify right side
    97,362.60x = 5,578,906,188.78
  5. Step 5: Solve for x
    x = 5,578,906,188.78/97,362.60
  6. Step 6: Final answer
    x = 57,300.30

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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.