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Finding the Fourth Proportional to 117,585.47, 162,270.97 and 63,873.56

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Solution

The fourth proportional to 117,585.47, 162,270.97 and 63,873.56 is: 88,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,585.47 : 162,270.97 = 63,873.56 : x
  2. Step 2: Convert to fraction form
    117,585.47/162,270.97 = 63,873.56/x
  3. Step 3: Cross multiply
    117,585.47x = 162,270.97 × 63,873.56
  4. Step 4: Simplify right side
    117,585.47x = 10,364,824,538.55
  5. Step 5: Solve for x
    x = 10,364,824,538.55/117,585.47
  6. Step 6: Final answer
    x = 88,147.15

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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.