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Finding the Fourth Proportional to 176,841.72, 243,969.42 and 108,838.17

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Solution

The fourth proportional to 176,841.72, 243,969.42 and 108,838.17 is: 150,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,841.72 : 243,969.42 = 108,838.17 : x
  2. Step 2: Convert to fraction form
    176,841.72/243,969.42 = 108,838.17/x
  3. Step 3: Cross multiply
    176,841.72x = 243,969.42 × 108,838.17
  4. Step 4: Simplify right side
    176,841.72x = 26,553,185,208.76
  5. Step 5: Solve for x
    x = 26,553,185,208.76/176,841.72
  6. Step 6: Final answer
    x = 150,152.27

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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.