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Finding the Fourth Proportional to 75,465.50, 104,032.68 and 52,733.91

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Solution

The fourth proportional to 75,465.50, 104,032.68 and 52,733.91 is: 72,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,465.50 : 104,032.68 = 52,733.91 : x
  2. Step 2: Convert to fraction form
    75,465.50/104,032.68 = 52,733.91/x
  3. Step 3: Cross multiply
    75,465.50x = 104,032.68 × 52,733.91
  4. Step 4: Simplify right side
    75,465.50x = 5,486,050,032.27
  5. Step 5: Solve for x
    x = 5,486,050,032.27/75,465.50
  6. Step 6: Final answer
    x = 72,696.14

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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.