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Finding the Fourth Proportional to 191,010.96, 286,513.49 and 48,854.97

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Solution

The fourth proportional to 191,010.96, 286,513.49 and 48,854.97 is: 73,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,010.96 : 286,513.49 = 48,854.97 : x
  2. Step 2: Convert to fraction form
    191,010.96/286,513.49 = 48,854.97/x
  3. Step 3: Cross multiply
    191,010.96x = 286,513.49 × 48,854.97
  4. Step 4: Simplify right side
    191,010.96x = 13,997,609,116.49
  5. Step 5: Solve for x
    x = 13,997,609,116.49/191,010.96
  6. Step 6: Final answer
    x = 73,281.71

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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.