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Finding the Fourth Proportional to 59,277.61, 88,979.07 and 57,939.01

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Solution

The fourth proportional to 59,277.61, 88,979.07 and 57,939.01 is: 86,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,277.61 : 88,979.07 = 57,939.01 : x
  2. Step 2: Convert to fraction form
    59,277.61/88,979.07 = 57,939.01/x
  3. Step 3: Cross multiply
    59,277.61x = 88,979.07 × 57,939.01
  4. Step 4: Simplify right side
    59,277.61x = 5,155,359,226.52
  5. Step 5: Solve for x
    x = 5,155,359,226.52/59,277.61
  6. Step 6: Final answer
    x = 86,969.76

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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.