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Finding the Fourth Proportional to 114,216.75, 157,267.05 and 101,447.74

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Solution

The fourth proportional to 114,216.75, 157,267.05 and 101,447.74 is: 139,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,216.75 : 157,267.05 = 101,447.74 : x
  2. Step 2: Convert to fraction form
    114,216.75/157,267.05 = 101,447.74/x
  3. Step 3: Cross multiply
    114,216.75x = 157,267.05 × 101,447.74
  4. Step 4: Simplify right side
    114,216.75x = 15,954,387,052.59
  5. Step 5: Solve for x
    x = 15,954,387,052.59/114,216.75
  6. Step 6: Final answer
    x = 139,685.18

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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.