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Finding the Fourth Proportional to 173,269.76, 239,126.16 and 137,752.88

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Solution

The fourth proportional to 173,269.76, 239,126.16 and 137,752.88 is: 190,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,269.76 : 239,126.16 = 137,752.88 : x
  2. Step 2: Convert to fraction form
    173,269.76/239,126.16 = 137,752.88/x
  3. Step 3: Cross multiply
    173,269.76x = 239,126.16 × 137,752.88
  4. Step 4: Simplify right side
    173,269.76x = 32,940,317,223.34
  5. Step 5: Solve for x
    x = 32,940,317,223.34/173,269.76
  6. Step 6: Final answer
    x = 190,110.02

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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.