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Finding the Fourth Proportional to 114,360.66, 157,799.34 and 71,889.12

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Solution

The fourth proportional to 114,360.66, 157,799.34 and 71,889.12 is: 99,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,360.66 : 157,799.34 = 71,889.12 : x
  2. Step 2: Convert to fraction form
    114,360.66/157,799.34 = 71,889.12/x
  3. Step 3: Cross multiply
    114,360.66x = 157,799.34 × 71,889.12
  4. Step 4: Simplify right side
    114,360.66x = 11,344,055,689.18
  5. Step 5: Solve for x
    x = 11,344,055,689.18/114,360.66
  6. Step 6: Final answer
    x = 99,195.44

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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.