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Finding the Fourth Proportional to 180,394.70, 248,957.15 and 99,825.62

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Solution

The fourth proportional to 180,394.70, 248,957.15 and 99,825.62 is: 137,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,394.70 : 248,957.15 = 99,825.62 : x
  2. Step 2: Convert to fraction form
    180,394.70/248,957.15 = 99,825.62/x
  3. Step 3: Cross multiply
    180,394.70x = 248,957.15 × 99,825.62
  4. Step 4: Simplify right side
    180,394.70x = 24,852,300,108.27
  5. Step 5: Solve for x
    x = 24,852,300,108.27/180,394.70
  6. Step 6: Final answer
    x = 137,766.25

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1.5x scale

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.