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Finding the Fourth Proportional to 79,960.32, 110,358.72 and 46,445.76

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Solution

The fourth proportional to 79,960.32, 110,358.72 and 46,445.76 is: 64,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,960.32 : 110,358.72 = 46,445.76 : x
  2. Step 2: Convert to fraction form
    79,960.32/110,358.72 = 46,445.76/x
  3. Step 3: Cross multiply
    79,960.32x = 110,358.72 × 46,445.76
  4. Step 4: Simplify right side
    79,960.32x = 5,125,694,623.03
  5. Step 5: Solve for x
    x = 5,125,694,623.03/79,960.32
  6. Step 6: Final answer
    x = 64,102.98

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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.