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Finding the Fourth Proportional to 200,160.60, 276,154.56 and 115,275.84

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Solution

The fourth proportional to 200,160.60, 276,154.56 and 115,275.84 is: 159,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,160.60 : 276,154.56 = 115,275.84 : x
  2. Step 2: Convert to fraction form
    200,160.60/276,154.56 = 115,275.84/x
  3. Step 3: Cross multiply
    200,160.60x = 276,154.56 × 115,275.84
  4. Step 4: Simplify right side
    200,160.60x = 31,833,948,873.83
  5. Step 5: Solve for x
    x = 31,833,948,873.83/200,160.60
  6. Step 6: Final answer
    x = 159,042.03

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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.