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Finding the Fourth Proportional to 488,756.87, 733,133.84 and 124,017.76

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Solution

The fourth proportional to 488,756.87, 733,133.84 and 124,017.76 is: 186,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,756.87 : 733,133.84 = 124,017.76 : x
  2. Step 2: Convert to fraction form
    488,756.87/733,133.84 = 124,017.76/x
  3. Step 3: Cross multiply
    488,756.87x = 733,133.84 × 124,017.76
  4. Step 4: Simplify right side
    488,756.87x = 90,921,616,913.33
  5. Step 5: Solve for x
    x = 90,921,616,913.33/488,756.87
  6. Step 6: Final answer
    x = 186,026.27

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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.