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Finding the Fourth Proportional to 114,034.01, 157,354.88 and 63,038.53

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Solution

The fourth proportional to 114,034.01, 157,354.88 and 63,038.53 is: 86,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,034.01 : 157,354.88 = 63,038.53 : x
  2. Step 2: Convert to fraction form
    114,034.01/157,354.88 = 63,038.53/x
  3. Step 3: Cross multiply
    114,034.01x = 157,354.88 × 63,038.53
  4. Step 4: Simplify right side
    114,034.01x = 9,919,419,221.56
  5. Step 5: Solve for x
    x = 9,919,419,221.56/114,034.01
  6. Step 6: Final answer
    x = 86,986.50

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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.