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Finding the Fourth Proportional to 188,464.73, 282,792.77 and 125,328.77

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Solution

The fourth proportional to 188,464.73, 282,792.77 and 125,328.77 is: 188,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,464.73 : 282,792.77 = 125,328.77 : x
  2. Step 2: Convert to fraction form
    188,464.73/282,792.77 = 125,328.77/x
  3. Step 3: Cross multiply
    188,464.73x = 282,792.77 × 125,328.77
  4. Step 4: Simplify right side
    188,464.73x = 35,442,069,518.84
  5. Step 5: Solve for x
    x = 35,442,069,518.84/188,464.73
  6. Step 6: Final answer
    x = 188,056.78

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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.