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Finding the Fourth Proportional to 195,437.60, 293,156.40 and 47,693.60

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Solution

The fourth proportional to 195,437.60, 293,156.40 and 47,693.60 is: 71,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,437.60 : 293,156.40 = 47,693.60 : x
  2. Step 2: Convert to fraction form
    195,437.60/293,156.40 = 47,693.60/x
  3. Step 3: Cross multiply
    195,437.60x = 293,156.40 × 47,693.60
  4. Step 4: Simplify right side
    195,437.60x = 13,981,684,079.04
  5. Step 5: Solve for x
    x = 13,981,684,079.04/195,437.60
  6. Step 6: Final answer
    x = 71,540.40

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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.