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Finding the Fourth Proportional to 207,277.20, 286,042.52 and 117,853.20

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Solution

The fourth proportional to 207,277.20, 286,042.52 and 117,853.20 is: 162,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,277.20 : 286,042.52 = 117,853.20 : x
  2. Step 2: Convert to fraction form
    207,277.20/286,042.52 = 117,853.20/x
  3. Step 3: Cross multiply
    207,277.20x = 286,042.52 × 117,853.20
  4. Step 4: Simplify right side
    207,277.20x = 33,711,026,318.06
  5. Step 5: Solve for x
    x = 33,711,026,318.06/207,277.20
  6. Step 6: Final answer
    x = 162,637.41

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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.