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Finding the Fourth Proportional to 114,240.72, 157,630.20 and 73,948.88

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Solution

The fourth proportional to 114,240.72, 157,630.20 and 73,948.88 is: 102,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,240.72 : 157,630.20 = 73,948.88 : x
  2. Step 2: Convert to fraction form
    114,240.72/157,630.20 = 73,948.88/x
  3. Step 3: Cross multiply
    114,240.72x = 157,630.20 × 73,948.88
  4. Step 4: Simplify right side
    114,240.72x = 11,656,576,744.18
  5. Step 5: Solve for x
    x = 11,656,576,744.18/114,240.72
  6. Step 6: Final answer
    x = 102,035.22

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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.