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Finding the Fourth Proportional to 181,903.10, 272,854.65 and 57,244.10

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Solution

The fourth proportional to 181,903.10, 272,854.65 and 57,244.10 is: 85,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,903.10 : 272,854.65 = 57,244.10 : x
  2. Step 2: Convert to fraction form
    181,903.10/272,854.65 = 57,244.10/x
  3. Step 3: Cross multiply
    181,903.10x = 272,854.65 × 57,244.10
  4. Step 4: Simplify right side
    181,903.10x = 15,619,318,870.07
  5. Step 5: Solve for x
    x = 15,619,318,870.07/181,903.10
  6. Step 6: Final answer
    x = 85,866.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.