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Finding the Fourth Proportional to 114,718.38, 158,305.98 and 63,734.40

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Solution

The fourth proportional to 114,718.38, 158,305.98 and 63,734.40 is: 87,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,718.38 : 158,305.98 = 63,734.40 : x
  2. Step 2: Convert to fraction form
    114,718.38/158,305.98 = 63,734.40/x
  3. Step 3: Cross multiply
    114,718.38x = 158,305.98 × 63,734.40
  4. Step 4: Simplify right side
    114,718.38x = 10,089,536,651.71
  5. Step 5: Solve for x
    x = 10,089,536,651.71/114,718.38
  6. Step 6: Final answer
    x = 87,950.48

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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.