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Finding the Fourth Proportional to 114,718.62, 158,316.96 and 63,731.40

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Solution

The fourth proportional to 114,718.62, 158,316.96 and 63,731.40 is: 87,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,718.62 : 158,316.96 = 63,731.40 : x
  2. Step 2: Convert to fraction form
    114,718.62/158,316.96 = 63,731.40/x
  3. Step 3: Cross multiply
    114,718.62x = 158,316.96 × 63,731.40
  4. Step 4: Simplify right side
    114,718.62x = 10,089,761,504.54
  5. Step 5: Solve for x
    x = 10,089,761,504.54/114,718.62
  6. Step 6: Final answer
    x = 87,952.26

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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.