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Finding the Fourth Proportional to 59,130.55, 88,721.80 and 31,044.08

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Solution

The fourth proportional to 59,130.55, 88,721.80 and 31,044.08 is: 46,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,130.55 : 88,721.80 = 31,044.08 : x
  2. Step 2: Convert to fraction form
    59,130.55/88,721.80 = 31,044.08/x
  3. Step 3: Cross multiply
    59,130.55x = 88,721.80 × 31,044.08
  4. Step 4: Simplify right side
    59,130.55x = 2,754,286,501.72
  5. Step 5: Solve for x
    x = 2,754,286,501.72/59,130.55
  6. Step 6: Final answer
    x = 46,579.75

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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.