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Finding the Fourth Proportional to 123,599.51, 185,337.93 and 39,348.72

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Solution

The fourth proportional to 123,599.51, 185,337.93 and 39,348.72 is: 59,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,599.51 : 185,337.93 = 39,348.72 : x
  2. Step 2: Convert to fraction form
    123,599.51/185,337.93 = 39,348.72/x
  3. Step 3: Cross multiply
    123,599.51x = 185,337.93 × 39,348.72
  4. Step 4: Simplify right side
    123,599.51x = 7,292,810,312.95
  5. Step 5: Solve for x
    x = 7,292,810,312.95/123,599.51
  6. Step 6: Final answer
    x = 59,003.56

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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.