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Finding the Fourth Proportional to 79,333.66, 109,472.34 and 47,501.74

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Solution

The fourth proportional to 79,333.66, 109,472.34 and 47,501.74 is: 65,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,333.66 : 109,472.34 = 47,501.74 : x
  2. Step 2: Convert to fraction form
    79,333.66/109,472.34 = 47,501.74/x
  3. Step 3: Cross multiply
    79,333.66x = 109,472.34 × 47,501.74
  4. Step 4: Simplify right side
    79,333.66x = 5,200,126,631.87
  5. Step 5: Solve for x
    x = 5,200,126,631.87/79,333.66
  6. Step 6: Final answer
    x = 65,547.54

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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.