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Finding the Fourth Proportional to 114,708.51, 158,293.35 and 63,724.45

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Solution

The fourth proportional to 114,708.51, 158,293.35 and 63,724.45 is: 87,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,708.51 : 158,293.35 = 63,724.45 : x
  2. Step 2: Convert to fraction form
    114,708.51/158,293.35 = 63,724.45/x
  3. Step 3: Cross multiply
    114,708.51x = 158,293.35 × 63,724.45
  4. Step 4: Simplify right side
    114,708.51x = 10,087,156,667.41
  5. Step 5: Solve for x
    x = 10,087,156,667.41/114,708.51
  6. Step 6: Final answer
    x = 87,937.30

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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.