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Finding the Fourth Proportional to 123,862.84, 185,746.71 and 52,740.39

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Solution

The fourth proportional to 123,862.84, 185,746.71 and 52,740.39 is: 79,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862.84 : 185,746.71 = 52,740.39 : x
  2. Step 2: Convert to fraction form
    123,862.84/185,746.71 = 52,740.39/x
  3. Step 3: Cross multiply
    123,862.84x = 185,746.71 × 52,740.39
  4. Step 4: Simplify right side
    123,862.84x = 9,796,353,926.62
  5. Step 5: Solve for x
    x = 9,796,353,926.62/123,862.84
  6. Step 6: Final answer
    x = 79,090.34

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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.