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Finding the Fourth Proportional to 65,848.60, 98,627.10 and 54,184.60

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Solution

The fourth proportional to 65,848.60, 98,627.10 and 54,184.60 is: 81,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,848.60 : 98,627.10 = 54,184.60 : x
  2. Step 2: Convert to fraction form
    65,848.60/98,627.10 = 54,184.60/x
  3. Step 3: Cross multiply
    65,848.60x = 98,627.10 × 54,184.60
  4. Step 4: Simplify right side
    65,848.60x = 5,344,069,962.66
  5. Step 5: Solve for x
    x = 5,344,069,962.66/65,848.60
  6. Step 6: Final answer
    x = 81,156.93

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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.