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Finding the Fourth Proportional to 74,833.92, 112,491.45 and 60,205.32

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Solution

The fourth proportional to 74,833.92, 112,491.45 and 60,205.32 is: 90,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,833.92 : 112,491.45 = 60,205.32 : x
  2. Step 2: Convert to fraction form
    74,833.92/112,491.45 = 60,205.32/x
  3. Step 3: Cross multiply
    74,833.92x = 112,491.45 × 60,205.32
  4. Step 4: Simplify right side
    74,833.92x = 6,772,583,744.51
  5. Step 5: Solve for x
    x = 6,772,583,744.51/74,833.92
  6. Step 6: Final answer
    x = 90,501.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.