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Finding the Fourth Proportional to 124,573.95, 186,872.01 and 53,480.55

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Solution

The fourth proportional to 124,573.95, 186,872.01 and 53,480.55 is: 80,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,573.95 : 186,872.01 = 53,480.55 : x
  2. Step 2: Convert to fraction form
    124,573.95/186,872.01 = 53,480.55/x
  3. Step 3: Cross multiply
    124,573.95x = 186,872.01 × 53,480.55
  4. Step 4: Simplify right side
    124,573.95x = 9,994,018,675.45
  5. Step 5: Solve for x
    x = 9,994,018,675.45/124,573.95
  6. Step 6: Final answer
    x = 80,225.59

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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.