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Finding the Fourth Proportional to 173,403.78, 239,264.73 and 109,696.74

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Solution

The fourth proportional to 173,403.78, 239,264.73 and 109,696.74 is: 151,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,403.78 : 239,264.73 = 109,696.74 : x
  2. Step 2: Convert to fraction form
    173,403.78/239,264.73 = 109,696.74/x
  3. Step 3: Cross multiply
    173,403.78x = 239,264.73 × 109,696.74
  4. Step 4: Simplify right side
    173,403.78x = 26,246,560,877.98
  5. Step 5: Solve for x
    x = 26,246,560,877.98/173,403.78
  6. Step 6: Final answer
    x = 151,360.95

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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.