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Finding the Fourth Proportional to 181,382.97, 250,459.56 and 151,325.85

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Solution

The fourth proportional to 181,382.97, 250,459.56 and 151,325.85 is: 208,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,382.97 : 250,459.56 = 151,325.85 : x
  2. Step 2: Convert to fraction form
    181,382.97/250,459.56 = 151,325.85/x
  3. Step 3: Cross multiply
    181,382.97x = 250,459.56 × 151,325.85
  4. Step 4: Simplify right side
    181,382.97x = 37,901,005,807.63
  5. Step 5: Solve for x
    x = 37,901,005,807.63/181,382.97
  6. Step 6: Final answer
    x = 208,955.70

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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.