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Finding the Fourth Proportional to 110,685.16, 152,739.30 and 62,950.12

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Solution

The fourth proportional to 110,685.16, 152,739.30 and 62,950.12 is: 86,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,685.16 : 152,739.30 = 62,950.12 : x
  2. Step 2: Convert to fraction form
    110,685.16/152,739.30 = 62,950.12/x
  3. Step 3: Cross multiply
    110,685.16x = 152,739.30 × 62,950.12
  4. Step 4: Simplify right side
    110,685.16x = 9,614,957,263.72
  5. Step 5: Solve for x
    x = 9,614,957,263.72/110,685.16
  6. Step 6: Final answer
    x = 86,867.63

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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.