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Finding the Fourth Proportional to 80,478.76, 111,055.62 and 44,666.68

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Solution

The fourth proportional to 80,478.76, 111,055.62 and 44,666.68 is: 61,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,478.76 : 111,055.62 = 44,666.68 : x
  2. Step 2: Convert to fraction form
    80,478.76/111,055.62 = 44,666.68/x
  3. Step 3: Cross multiply
    80,478.76x = 111,055.62 × 44,666.68
  4. Step 4: Simplify right side
    80,478.76x = 4,960,485,840.74
  5. Step 5: Solve for x
    x = 4,960,485,840.74/80,478.76
  6. Step 6: Final answer
    x = 61,637.21

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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.