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Finding the Fourth Proportional to 122,599.67, 183,894.50 and 42,655.93

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Solution

The fourth proportional to 122,599.67, 183,894.50 and 42,655.93 is: 63,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,599.67 : 183,894.50 = 42,655.93 : x
  2. Step 2: Convert to fraction form
    122,599.67/183,894.50 = 42,655.93/x
  3. Step 3: Cross multiply
    122,599.67x = 183,894.50 × 42,655.93
  4. Step 4: Simplify right side
    122,599.67x = 7,844,190,566.29
  5. Step 5: Solve for x
    x = 7,844,190,566.29/122,599.67
  6. Step 6: Final answer
    x = 63,982.15

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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.