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Finding the Fourth Proportional to 114,471.06, 157,970.52 and 63,488.55

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Solution

The fourth proportional to 114,471.06, 157,970.52 and 63,488.55 is: 87,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,471.06 : 157,970.52 = 63,488.55 : x
  2. Step 2: Convert to fraction form
    114,471.06/157,970.52 = 63,488.55/x
  3. Step 3: Cross multiply
    114,471.06x = 157,970.52 × 63,488.55
  4. Step 4: Simplify right side
    114,471.06x = 10,029,319,257.55
  5. Step 5: Solve for x
    x = 10,029,319,257.55/114,471.06
  6. Step 6: Final answer
    x = 87,614.45

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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.