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Finding the Fourth Proportional to 71,258.81, 98,294.31 and 47,060.00

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Solution

The fourth proportional to 71,258.81, 98,294.31 and 47,060.00 is: 64,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,258.81 : 98,294.31 = 47,060.00 : x
  2. Step 2: Convert to fraction form
    71,258.81/98,294.31 = 47,060.00/x
  3. Step 3: Cross multiply
    71,258.81x = 98,294.31 × 47,060.00
  4. Step 4: Simplify right side
    71,258.81x = 4,625,729,619.48
  5. Step 5: Solve for x
    x = 4,625,729,619.48/71,258.81
  6. Step 6: Final answer
    x = 64,914.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.