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Finding the Fourth Proportional to 176,367.26, 243,383.31 and 99,885.11

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Solution

The fourth proportional to 176,367.26, 243,383.31 and 99,885.11 is: 137,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,367.26 : 243,383.31 = 99,885.11 : x
  2. Step 2: Convert to fraction form
    176,367.26/243,383.31 = 99,885.11/x
  3. Step 3: Cross multiply
    176,367.26x = 243,383.31 × 99,885.11
  4. Step 4: Simplify right side
    176,367.26x = 24,310,368,691.51
  5. Step 5: Solve for x
    x = 24,310,368,691.51/176,367.26
  6. Step 6: Final answer
    x = 137,839.46

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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.