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Finding the Fourth Proportional to 80,493.99, 111,076.14 and 44,681.16

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Solution

The fourth proportional to 80,493.99, 111,076.14 and 44,681.16 is: 61,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,493.99 : 111,076.14 = 44,681.16 : x
  2. Step 2: Convert to fraction form
    80,493.99/111,076.14 = 44,681.16/x
  3. Step 3: Cross multiply
    80,493.99x = 111,076.14 × 44,681.16
  4. Step 4: Simplify right side
    80,493.99x = 4,963,010,783.52
  5. Step 5: Solve for x
    x = 4,963,010,783.52/80,493.99
  6. Step 6: Final answer
    x = 61,656.91

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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.