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Finding the Fourth Proportional to 177,736, 245,275.68 and 98,248

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Solution

The fourth proportional to 177,736, 245,275.68 and 98,248 is: 135,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,736 : 245,275.68 = 98,248 : x
  2. Step 2: Convert to fraction form
    177,736/245,275.68 = 98,248/x
  3. Step 3: Cross multiply
    177,736x = 245,275.68 × 98,248
  4. Step 4: Simplify right side
    177,736x = 24,097,845,008.64
  5. Step 5: Solve for x
    x = 24,097,845,008.64/177,736
  6. Step 6: Final answer
    x = 135,582.24

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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.