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Finding the Fourth Proportional to 114,642.01, 158,206.28 and 63,654.84

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Solution

The fourth proportional to 114,642.01, 158,206.28 and 63,654.84 is: 87,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,642.01 : 158,206.28 = 63,654.84 : x
  2. Step 2: Convert to fraction form
    114,642.01/158,206.28 = 63,654.84/x
  3. Step 3: Cross multiply
    114,642.01x = 158,206.28 × 63,654.84
  4. Step 4: Simplify right side
    114,642.01x = 10,070,594,569.80
  5. Step 5: Solve for x
    x = 10,070,594,569.80/114,642.01
  6. Step 6: Final answer
    x = 87,843.84

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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.