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Finding the Fourth Proportional to 79,293.96, 109,417.78 and 45,770.76

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Solution

The fourth proportional to 79,293.96, 109,417.78 and 45,770.76 is: 63,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,293.96 : 109,417.78 = 45,770.76 : x
  2. Step 2: Convert to fraction form
    79,293.96/109,417.78 = 45,770.76/x
  3. Step 3: Cross multiply
    79,293.96x = 109,417.78 × 45,770.76
  4. Step 4: Simplify right side
    79,293.96x = 5,008,134,948.11
  5. Step 5: Solve for x
    x = 5,008,134,948.11/79,293.96
  6. Step 6: Final answer
    x = 63,159.10

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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.