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Finding the Fourth Proportional to 114,903.47, 158,523.17 and 71,275.79

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Solution

The fourth proportional to 114,903.47, 158,523.17 and 71,275.79 is: 98,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,903.47 : 158,523.17 = 71,275.79 : x
  2. Step 2: Convert to fraction form
    114,903.47/158,523.17 = 71,275.79/x
  3. Step 3: Cross multiply
    114,903.47x = 158,523.17 × 71,275.79
  4. Step 4: Simplify right side
    114,903.47x = 11,298,864,175.05
  5. Step 5: Solve for x
    x = 11,298,864,175.05/114,903.47
  6. Step 6: Final answer
    x = 98,333.53

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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.