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Finding the Fourth Proportional to 173,268.28, 239,110.20 and 93,780.28

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Solution

The fourth proportional to 173,268.28, 239,110.20 and 93,780.28 is: 129,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,268.28 : 239,110.20 = 93,780.28 : x
  2. Step 2: Convert to fraction form
    173,268.28/239,110.20 = 93,780.28/x
  3. Step 3: Cross multiply
    173,268.28x = 239,110.20 × 93,780.28
  4. Step 4: Simplify right side
    173,268.28x = 22,423,821,506.86
  5. Step 5: Solve for x
    x = 22,423,821,506.86/173,268.28
  6. Step 6: Final answer
    x = 129,416.77

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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.