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Finding the Fourth Proportional to 117,700.54, 162,424.82 and 63,986.92

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Solution

The fourth proportional to 117,700.54, 162,424.82 and 63,986.92 is: 88,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.54 : 162,424.82 = 63,986.92 : x
  2. Step 2: Convert to fraction form
    117,700.54/162,424.82 = 63,986.92/x
  3. Step 3: Cross multiply
    117,700.54x = 162,424.82 × 63,986.92
  4. Step 4: Simplify right side
    117,700.54x = 10,393,063,717.26
  5. Step 5: Solve for x
    x = 10,393,063,717.26/117,700.54
  6. Step 6: Final answer
    x = 88,300.90

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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.