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Finding the Fourth Proportional to 183,663.50, 275,443.08 and 71,319.74

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Solution

The fourth proportional to 183,663.50, 275,443.08 and 71,319.74 is: 106,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,663.50 : 275,443.08 = 71,319.74 : x
  2. Step 2: Convert to fraction form
    183,663.50/275,443.08 = 71,319.74/x
  3. Step 3: Cross multiply
    183,663.50x = 275,443.08 × 71,319.74
  4. Step 4: Simplify right side
    183,663.50x = 19,644,529,156.28
  5. Step 5: Solve for x
    x = 19,644,529,156.28/183,663.50
  6. Step 6: Final answer
    x = 106,959.35

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1.5x scale

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.