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Finding the Fourth Proportional to 65,470.17, 98,069.03 and 63,211.76

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Solution

The fourth proportional to 65,470.17, 98,069.03 and 63,211.76 is: 94,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,470.17 : 98,069.03 = 63,211.76 : x
  2. Step 2: Convert to fraction form
    65,470.17/98,069.03 = 63,211.76/x
  3. Step 3: Cross multiply
    65,470.17x = 98,069.03 × 63,211.76
  4. Step 4: Simplify right side
    65,470.17x = 6,199,115,181.39
  5. Step 5: Solve for x
    x = 6,199,115,181.39/65,470.17
  6. Step 6: Final answer
    x = 94,686.10

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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.