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Finding the Fourth Proportional to 162,610.19, 243,662.42 and 112,787.63

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Solution

The fourth proportional to 162,610.19, 243,662.42 and 112,787.63 is: 169,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,610.19 : 243,662.42 = 112,787.63 : x
  2. Step 2: Convert to fraction form
    162,610.19/243,662.42 = 112,787.63/x
  3. Step 3: Cross multiply
    162,610.19x = 243,662.42 × 112,787.63
  4. Step 4: Simplify right side
    162,610.19x = 27,482,105,653.55
  5. Step 5: Solve for x
    x = 27,482,105,653.55/162,610.19
  6. Step 6: Final answer
    x = 169,006.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.