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Finding the Fourth Proportional to 97,415.40, 145,863.90 and 62,164.20

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Solution

The fourth proportional to 97,415.40, 145,863.90 and 62,164.20 is: 93,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,415.40 : 145,863.90 = 62,164.20 : x
  2. Step 2: Convert to fraction form
    97,415.40/145,863.90 = 62,164.20/x
  3. Step 3: Cross multiply
    97,415.40x = 145,863.90 × 62,164.20
  4. Step 4: Simplify right side
    97,415.40x = 9,067,512,652.38
  5. Step 5: Solve for x
    x = 9,067,512,652.38/97,415.40
  6. Step 6: Final answer
    x = 93,080.90

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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.