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Finding the Fourth Proportional to 174,572.82, 240,920.80 and 131,476.30

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Solution

The fourth proportional to 174,572.82, 240,920.80 and 131,476.30 is: 181,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,572.82 : 240,920.80 = 131,476.30 : x
  2. Step 2: Convert to fraction form
    174,572.82/240,920.80 = 131,476.30/x
  3. Step 3: Cross multiply
    174,572.82x = 240,920.80 × 131,476.30
  4. Step 4: Simplify right side
    174,572.82x = 31,675,374,446.05
  5. Step 5: Solve for x
    x = 31,675,374,446.05/174,572.82
  6. Step 6: Final answer
    x = 181,445.05

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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.