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Finding the Fourth Proportional to 163,600.88, 245,404.43 and 51,278.63

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Solution

The fourth proportional to 163,600.88, 245,404.43 and 51,278.63 is: 76,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,600.88 : 245,404.43 = 51,278.63 : x
  2. Step 2: Convert to fraction form
    163,600.88/245,404.43 = 51,278.63/x
  3. Step 3: Cross multiply
    163,600.88x = 245,404.43 × 51,278.63
  4. Step 4: Simplify right side
    163,600.88x = 12,584,001,482.92
  5. Step 5: Solve for x
    x = 12,584,001,482.92/163,600.88
  6. Step 6: Final answer
    x = 76,918.91

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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.