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Finding the Fourth Proportional to 91,458.60, 137,123.10 and 41,562.60

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Solution

The fourth proportional to 91,458.60, 137,123.10 and 41,562.60 is: 62,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,458.60 : 137,123.10 = 41,562.60 : x
  2. Step 2: Convert to fraction form
    91,458.60/137,123.10 = 41,562.60/x
  3. Step 3: Cross multiply
    91,458.60x = 137,123.10 × 41,562.60
  4. Step 4: Simplify right side
    91,458.60x = 5,699,192,556.06
  5. Step 5: Solve for x
    x = 5,699,192,556.06/91,458.60
  6. Step 6: Final answer
    x = 62,314.45

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1.5x scale

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.