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Finding the Fourth Proportional to 181,548.90, 250,519.92 and 105,052.74

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Solution

The fourth proportional to 181,548.90, 250,519.92 and 105,052.74 is: 144,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,548.90 : 250,519.92 = 105,052.74 : x
  2. Step 2: Convert to fraction form
    181,548.90/250,519.92 = 105,052.74/x
  3. Step 3: Cross multiply
    181,548.90x = 250,519.92 × 105,052.74
  4. Step 4: Simplify right side
    181,548.90x = 26,317,804,020.58
  5. Step 5: Solve for x
    x = 26,317,804,020.58/181,548.90
  6. Step 6: Final answer
    x = 144,962.62

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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.