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Finding the Fourth Proportional to 97,391.70, 134,404.56 and 54,950.04

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Solution

The fourth proportional to 97,391.70, 134,404.56 and 54,950.04 is: 75,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,391.70 : 134,404.56 = 54,950.04 : x
  2. Step 2: Convert to fraction form
    97,391.70/134,404.56 = 54,950.04/x
  3. Step 3: Cross multiply
    97,391.70x = 134,404.56 × 54,950.04
  4. Step 4: Simplify right side
    97,391.70x = 7,385,535,948.18
  5. Step 5: Solve for x
    x = 7,385,535,948.18/97,391.70
  6. Step 6: Final answer
    x = 75,833.32

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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.