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Finding the Fourth Proportional to 181,808.60, 272,494.20 and 93,016.40

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Solution

The fourth proportional to 181,808.60, 272,494.20 and 93,016.40 is: 139,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,808.60 : 272,494.20 = 93,016.40 : x
  2. Step 2: Convert to fraction form
    181,808.60/272,494.20 = 93,016.40/x
  3. Step 3: Cross multiply
    181,808.60x = 272,494.20 × 93,016.40
  4. Step 4: Simplify right side
    181,808.60x = 25,346,429,504.88
  5. Step 5: Solve for x
    x = 25,346,429,504.88/181,808.60
  6. Step 6: Final answer
    x = 139,412.71

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1.5x scale

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.