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Finding the Fourth Proportional to 97,412.80, 146,250.60 and 62,420.80

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Solution

The fourth proportional to 97,412.80, 146,250.60 and 62,420.80 is: 93,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,412.80 : 146,250.60 = 62,420.80 : x
  2. Step 2: Convert to fraction form
    97,412.80/146,250.60 = 62,420.80/x
  3. Step 3: Cross multiply
    97,412.80x = 146,250.60 × 62,420.80
  4. Step 4: Simplify right side
    97,412.80x = 9,129,079,452.48
  5. Step 5: Solve for x
    x = 9,129,079,452.48/97,412.80
  6. Step 6: Final answer
    x = 93,715.40

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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.