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Finding the Fourth Proportional to 107,391.87, 148,193.28 and 62,034.30

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Solution

The fourth proportional to 107,391.87, 148,193.28 and 62,034.30 is: 85,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,391.87 : 148,193.28 = 62,034.30 : x
  2. Step 2: Convert to fraction form
    107,391.87/148,193.28 = 62,034.30/x
  3. Step 3: Cross multiply
    107,391.87x = 148,193.28 × 62,034.30
  4. Step 4: Simplify right side
    107,391.87x = 9,193,066,389.50
  5. Step 5: Solve for x
    x = 9,193,066,389.50/107,391.87
  6. Step 6: Final answer
    x = 85,603.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.