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Finding the Fourth Proportional to 97,424.40, 145,877.40 and 62,173.20

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Solution

The fourth proportional to 97,424.40, 145,877.40 and 62,173.20 is: 93,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,424.40 : 145,877.40 = 62,173.20 : x
  2. Step 2: Convert to fraction form
    97,424.40/145,877.40 = 62,173.20/x
  3. Step 3: Cross multiply
    97,424.40x = 145,877.40 × 62,173.20
  4. Step 4: Simplify right side
    97,424.40x = 9,069,664,765.68
  5. Step 5: Solve for x
    x = 9,069,664,765.68/97,424.40
  6. Step 6: Final answer
    x = 93,094.39

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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.