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Finding the Fourth Proportional to 208,886.28, 288,337.95 and 124,003.41

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Solution

The fourth proportional to 208,886.28, 288,337.95 and 124,003.41 is: 171,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,886.28 : 288,337.95 = 124,003.41 : x
  2. Step 2: Convert to fraction form
    208,886.28/288,337.95 = 124,003.41/x
  3. Step 3: Cross multiply
    208,886.28x = 288,337.95 × 124,003.41
  4. Step 4: Simplify right side
    208,886.28x = 35,754,889,032.41
  5. Step 5: Solve for x
    x = 35,754,889,032.41/208,886.28
  6. Step 6: Final answer
    x = 171,169.16

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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.