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Finding the Fourth Proportional to 268,160.70, 402,388.80 and 163,053.48

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Solution

The fourth proportional to 268,160.70, 402,388.80 and 163,053.48 is: 244,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,160.70 : 402,388.80 = 163,053.48 : x
  2. Step 2: Convert to fraction form
    268,160.70/402,388.80 = 163,053.48/x
  3. Step 3: Cross multiply
    268,160.70x = 402,388.80 × 163,053.48
  4. Step 4: Simplify right side
    268,160.70x = 65,610,894,153.02
  5. Step 5: Solve for x
    x = 65,610,894,153.02/268,160.70
  6. Step 6: Final answer
    x = 244,670.06

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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.