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Finding the Fourth Proportional to 124,254.84, 186,355.80 and 35,484.78

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Solution

The fourth proportional to 124,254.84, 186,355.80 and 35,484.78 is: 53,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,254.84 : 186,355.80 = 35,484.78 : x
  2. Step 2: Convert to fraction form
    124,254.84/186,355.80 = 35,484.78/x
  3. Step 3: Cross multiply
    124,254.84x = 186,355.80 × 35,484.78
  4. Step 4: Simplify right side
    124,254.84x = 6,612,794,564.72
  5. Step 5: Solve for x
    x = 6,612,794,564.72/124,254.84
  6. Step 6: Final answer
    x = 53,219.61

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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.