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Finding the Fourth Proportional to 114,116.93, 157,493.13 and 65,720.44

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Solution

The fourth proportional to 114,116.93, 157,493.13 and 65,720.44 is: 90,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,116.93 : 157,493.13 = 65,720.44 : x
  2. Step 2: Convert to fraction form
    114,116.93/157,493.13 = 65,720.44/x
  3. Step 3: Cross multiply
    114,116.93x = 157,493.13 × 65,720.44
  4. Step 4: Simplify right side
    114,116.93x = 10,350,517,800.58
  5. Step 5: Solve for x
    x = 10,350,517,800.58/114,116.93
  6. Step 6: Final answer
    x = 90,700.98

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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.