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Finding the Fourth Proportional to 114,151.13, 157,541.87 and 66,406.49

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Solution

The fourth proportional to 114,151.13, 157,541.87 and 66,406.49 is: 91,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,151.13 : 157,541.87 = 66,406.49 : x
  2. Step 2: Convert to fraction form
    114,151.13/157,541.87 = 66,406.49/x
  3. Step 3: Cross multiply
    114,151.13x = 157,541.87 × 66,406.49
  4. Step 4: Simplify right side
    114,151.13x = 10,461,802,614.74
  5. Step 5: Solve for x
    x = 10,461,802,614.74/114,151.13
  6. Step 6: Final answer
    x = 91,648.70

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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.