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Finding the Fourth Proportional to 141,372.96, 212,058.48 and 42,876.96

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Solution

The fourth proportional to 141,372.96, 212,058.48 and 42,876.96 is: 64,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,372.96 : 212,058.48 = 42,876.96 : x
  2. Step 2: Convert to fraction form
    141,372.96/212,058.48 = 42,876.96/x
  3. Step 3: Cross multiply
    141,372.96x = 212,058.48 × 42,876.96
  4. Step 4: Simplify right side
    141,372.96x = 9,092,422,964.62
  5. Step 5: Solve for x
    x = 9,092,422,964.62/141,372.96
  6. Step 6: Final answer
    x = 64,315.15

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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.