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Finding the Fourth Proportional to 76,210.44, 105,101.88 and 49,324.92

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Solution

The fourth proportional to 76,210.44, 105,101.88 and 49,324.92 is: 68,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,210.44 : 105,101.88 = 49,324.92 : x
  2. Step 2: Convert to fraction form
    76,210.44/105,101.88 = 49,324.92/x
  3. Step 3: Cross multiply
    76,210.44x = 105,101.88 × 49,324.92
  4. Step 4: Simplify right side
    76,210.44x = 5,184,141,822.85
  5. Step 5: Solve for x
    x = 5,184,141,822.85/76,210.44
  6. Step 6: Final answer
    x = 68,024.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.