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Finding the Fourth Proportional to 176,807.49, 243,999.62 and 108,863.66

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Solution

The fourth proportional to 176,807.49, 243,999.62 and 108,863.66 is: 150,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,807.49 : 243,999.62 = 108,863.66 : x
  2. Step 2: Convert to fraction form
    176,807.49/243,999.62 = 108,863.66/x
  3. Step 3: Cross multiply
    176,807.49x = 243,999.62 × 108,863.66
  4. Step 4: Simplify right side
    176,807.49x = 26,562,692,145.73
  5. Step 5: Solve for x
    x = 26,562,692,145.73/176,807.49
  6. Step 6: Final answer
    x = 150,235.11

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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.