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Finding the Fourth Proportional to 122,603.50, 182,832.35 and 121,482.44

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Solution

The fourth proportional to 122,603.50, 182,832.35 and 121,482.44 is: 181,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,603.50 : 182,832.35 = 121,482.44 : x
  2. Step 2: Convert to fraction form
    122,603.50/182,832.35 = 121,482.44/x
  3. Step 3: Cross multiply
    122,603.50x = 182,832.35 × 121,482.44
  4. Step 4: Simplify right side
    122,603.50x = 22,210,919,988.93
  5. Step 5: Solve for x
    x = 22,210,919,988.93/122,603.50
  6. Step 6: Final answer
    x = 181,160.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.