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Finding the Fourth Proportional to 114,670.91, 158,240.44 and 63,686.90

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Solution

The fourth proportional to 114,670.91, 158,240.44 and 63,686.90 is: 87,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,670.91 : 158,240.44 = 63,686.90 : x
  2. Step 2: Convert to fraction form
    114,670.91/158,240.44 = 63,686.90/x
  3. Step 3: Cross multiply
    114,670.91x = 158,240.44 × 63,686.90
  4. Step 4: Simplify right side
    114,670.91x = 10,077,843,078.24
  5. Step 5: Solve for x
    x = 10,077,843,078.24/114,670.91
  6. Step 6: Final answer
    x = 87,884.91

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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.