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Finding the Fourth Proportional to 114,122.82, 157,494.15 and 63,134.69

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Solution

The fourth proportional to 114,122.82, 157,494.15 and 63,134.69 is: 87,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,122.82 : 157,494.15 = 63,134.69 : x
  2. Step 2: Convert to fraction form
    114,122.82/157,494.15 = 63,134.69/x
  3. Step 3: Cross multiply
    114,122.82x = 157,494.15 × 63,134.69
  4. Step 4: Simplify right side
    114,122.82x = 9,943,343,549.59
  5. Step 5: Solve for x
    x = 9,943,343,549.59/114,122.82
  6. Step 6: Final answer
    x = 87,128.45

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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.