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Finding the Fourth Proportional to 124,576.95, 186,876.51 and 53,483.55

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Solution

The fourth proportional to 124,576.95, 186,876.51 and 53,483.55 is: 80,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,576.95 : 186,876.51 = 53,483.55 : x
  2. Step 2: Convert to fraction form
    124,576.95/186,876.51 = 53,483.55/x
  3. Step 3: Cross multiply
    124,576.95x = 186,876.51 × 53,483.55
  4. Step 4: Simplify right side
    124,576.95x = 9,994,819,166.41
  5. Step 5: Solve for x
    x = 9,994,819,166.41/124,576.95
  6. Step 6: Final answer
    x = 80,230.08

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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.