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Finding the Fourth Proportional to 161,701.32, 242,551.98 and 61,892.12

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Solution

The fourth proportional to 161,701.32, 242,551.98 and 61,892.12 is: 92,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,701.32 : 242,551.98 = 61,892.12 : x
  2. Step 2: Convert to fraction form
    161,701.32/242,551.98 = 61,892.12/x
  3. Step 3: Cross multiply
    161,701.32x = 242,551.98 × 61,892.12
  4. Step 4: Simplify right side
    161,701.32x = 15,012,056,252.40
  5. Step 5: Solve for x
    x = 15,012,056,252.40/161,701.32
  6. Step 6: Final answer
    x = 92,838.18

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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.