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Finding the Fourth Proportional to 91,777.04, 126,641.04 and 54,044

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Solution

The fourth proportional to 91,777.04, 126,641.04 and 54,044 is: 74,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,777.04 : 126,641.04 = 54,044 : x
  2. Step 2: Convert to fraction form
    91,777.04/126,641.04 = 54,044/x
  3. Step 3: Cross multiply
    91,777.04x = 126,641.04 × 54,044
  4. Step 4: Simplify right side
    91,777.04x = 6,844,188,365.76
  5. Step 5: Solve for x
    x = 6,844,188,365.76/91,777.04
  6. Step 6: Final answer
    x = 74,574.08

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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.