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Finding the Fourth Proportional to 114,656.15, 158,220.17 and 63,672.12

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Solution

The fourth proportional to 114,656.15, 158,220.17 and 63,672.12 is: 87,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,656.15 : 158,220.17 = 63,672.12 : x
  2. Step 2: Convert to fraction form
    114,656.15/158,220.17 = 63,672.12/x
  3. Step 3: Cross multiply
    114,656.15x = 158,220.17 × 63,672.12
  4. Step 4: Simplify right side
    114,656.15x = 10,074,213,332.30
  5. Step 5: Solve for x
    x = 10,074,213,332.30/114,656.15
  6. Step 6: Final answer
    x = 87,864.57

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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.