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Finding the Fourth Proportional to 124,063.72, 186,114.03 and 57,510.57

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Solution

The fourth proportional to 124,063.72, 186,114.03 and 57,510.57 is: 86,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,063.72 : 186,114.03 = 57,510.57 : x
  2. Step 2: Convert to fraction form
    124,063.72/186,114.03 = 57,510.57/x
  3. Step 3: Cross multiply
    124,063.72x = 186,114.03 × 57,510.57
  4. Step 4: Simplify right side
    124,063.72x = 10,703,523,662.74
  5. Step 5: Solve for x
    x = 10,703,523,662.74/124,063.72
  6. Step 6: Final answer
    x = 86,274.41

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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.