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Finding the Fourth Proportional to 98,094.88, 147,120.40 and 45,497.53

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Solution

The fourth proportional to 98,094.88, 147,120.40 and 45,497.53 is: 68,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,094.88 : 147,120.40 = 45,497.53 : x
  2. Step 2: Convert to fraction form
    98,094.88/147,120.40 = 45,497.53/x
  3. Step 3: Cross multiply
    98,094.88x = 147,120.40 × 45,497.53
  4. Step 4: Simplify right side
    98,094.88x = 6,693,614,812.61
  5. Step 5: Solve for x
    x = 6,693,614,812.61/98,094.88
  6. Step 6: Final answer
    x = 68,236.13

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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.