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Finding the Fourth Proportional to 75,466.83, 104,143.95 and 41,477.61

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Solution

The fourth proportional to 75,466.83, 104,143.95 and 41,477.61 is: 57,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466.83 : 104,143.95 = 41,477.61 : x
  2. Step 2: Convert to fraction form
    75,466.83/104,143.95 = 41,477.61/x
  3. Step 3: Cross multiply
    75,466.83x = 104,143.95 × 41,477.61
  4. Step 4: Simplify right side
    75,466.83x = 4,319,642,141.96
  5. Step 5: Solve for x
    x = 4,319,642,141.96/75,466.83
  6. Step 6: Final answer
    x = 57,238.95

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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.