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Finding the Fourth Proportional to 176,407.35, 243,463.01 and 104,787.66

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Solution

The fourth proportional to 176,407.35, 243,463.01 and 104,787.66 is: 144,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,407.35 : 243,463.01 = 104,787.66 : x
  2. Step 2: Convert to fraction form
    176,407.35/243,463.01 = 104,787.66/x
  3. Step 3: Cross multiply
    176,407.35x = 243,463.01 × 104,787.66
  4. Step 4: Simplify right side
    176,407.35x = 25,511,919,376.43
  5. Step 5: Solve for x
    x = 25,511,919,376.43/176,407.35
  6. Step 6: Final answer
    x = 144,619.37

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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.