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Finding the Fourth Proportional to 91,569.33, 137,400.87 and 43,592.24

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Solution

The fourth proportional to 91,569.33, 137,400.87 and 43,592.24 is: 65,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,569.33 : 137,400.87 = 43,592.24 : x
  2. Step 2: Convert to fraction form
    91,569.33/137,400.87 = 43,592.24/x
  3. Step 3: Cross multiply
    91,569.33x = 137,400.87 × 43,592.24
  4. Step 4: Simplify right side
    91,569.33x = 5,989,611,177.72
  5. Step 5: Solve for x
    x = 5,989,611,177.72/91,569.33
  6. Step 6: Final answer
    x = 65,410.67

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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.