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Finding the Fourth Proportional to 75,117.59, 103,663.50 and 41,125.51

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Solution

The fourth proportional to 75,117.59, 103,663.50 and 41,125.51 is: 56,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,117.59 : 103,663.50 = 41,125.51 : x
  2. Step 2: Convert to fraction form
    75,117.59/103,663.50 = 41,125.51/x
  3. Step 3: Cross multiply
    75,117.59x = 103,663.50 × 41,125.51
  4. Step 4: Simplify right side
    75,117.59x = 4,263,214,305.89
  5. Step 5: Solve for x
    x = 4,263,214,305.89/75,117.59
  6. Step 6: Final answer
    x = 56,753.87

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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.