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Finding the Fourth Proportional to 79,077.66, 118,549.50 and 34,670.76

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Solution

The fourth proportional to 79,077.66, 118,549.50 and 34,670.76 is: 51,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,077.66 : 118,549.50 = 34,670.76 : x
  2. Step 2: Convert to fraction form
    79,077.66/118,549.50 = 34,670.76/x
  3. Step 3: Cross multiply
    79,077.66x = 118,549.50 × 34,670.76
  4. Step 4: Simplify right side
    79,077.66x = 4,110,201,262.62
  5. Step 5: Solve for x
    x = 4,110,201,262.62/79,077.66
  6. Step 6: Final answer
    x = 51,976.77

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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.