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Finding the Fourth Proportional to 114,866.42, 158,523.09 and 66,478.10

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Solution

The fourth proportional to 114,866.42, 158,523.09 and 66,478.10 is: 91,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,866.42 : 158,523.09 = 66,478.10 : x
  2. Step 2: Convert to fraction form
    114,866.42/158,523.09 = 66,478.10/x
  3. Step 3: Cross multiply
    114,866.42x = 158,523.09 × 66,478.10
  4. Step 4: Simplify right side
    114,866.42x = 10,538,313,829.33
  5. Step 5: Solve for x
    x = 10,538,313,829.33/114,866.42
  6. Step 6: Final answer
    x = 91,744.08

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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.