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Finding the Fourth Proportional to 103,350.18, 154,880.92 and 55,862.92

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Solution

The fourth proportional to 103,350.18, 154,880.92 and 55,862.92 is: 83,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,350.18 : 154,880.92 = 55,862.92 : x
  2. Step 2: Convert to fraction form
    103,350.18/154,880.92 = 55,862.92/x
  3. Step 3: Cross multiply
    103,350.18x = 154,880.92 × 55,862.92
  4. Step 4: Simplify right side
    103,350.18x = 8,652,100,443.49
  5. Step 5: Solve for x
    x = 8,652,100,443.49/103,350.18
  6. Step 6: Final answer
    x = 83,716.36

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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.