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Finding the Fourth Proportional to 60,777.76, 90,926.88 and 46,029.28

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Solution

The fourth proportional to 60,777.76, 90,926.88 and 46,029.28 is: 68,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,777.76 : 90,926.88 = 46,029.28 : x
  2. Step 2: Convert to fraction form
    60,777.76/90,926.88 = 46,029.28/x
  3. Step 3: Cross multiply
    60,777.76x = 90,926.88 × 46,029.28
  4. Step 4: Simplify right side
    60,777.76x = 4,185,298,819.05
  5. Step 5: Solve for x
    x = 4,185,298,819.05/60,777.76
  6. Step 6: Final answer
    x = 68,862.34

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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.