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Finding the Fourth Proportional to 132,766.16, 183,210.06 and 75,404.06

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Solution

The fourth proportional to 132,766.16, 183,210.06 and 75,404.06 is: 104,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,766.16 : 183,210.06 = 75,404.06 : x
  2. Step 2: Convert to fraction form
    132,766.16/183,210.06 = 75,404.06/x
  3. Step 3: Cross multiply
    132,766.16x = 183,210.06 × 75,404.06
  4. Step 4: Simplify right side
    132,766.16x = 13,814,782,356.84
  5. Step 5: Solve for x
    x = 13,814,782,356.84/132,766.16
  6. Step 6: Final answer
    x = 104,053.49

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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.