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Finding the Fourth Proportional to 75,424.92, 104,088.06 and 43,595.16

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Solution

The fourth proportional to 75,424.92, 104,088.06 and 43,595.16 is: 60,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.92 : 104,088.06 = 43,595.16 : x
  2. Step 2: Convert to fraction form
    75,424.92/104,088.06 = 43,595.16/x
  3. Step 3: Cross multiply
    75,424.92x = 104,088.06 × 43,595.16
  4. Step 4: Simplify right side
    75,424.92x = 4,537,735,629.79
  5. Step 5: Solve for x
    x = 4,537,735,629.79/75,424.92
  6. Step 6: Final answer
    x = 60,162.29

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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.