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Finding the Fourth Proportional to 108,577.20, 162,914.40 and 49,382.40

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Solution

The fourth proportional to 108,577.20, 162,914.40 and 49,382.40 is: 74,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,577.20 : 162,914.40 = 49,382.40 : x
  2. Step 2: Convert to fraction form
    108,577.20/162,914.40 = 49,382.40/x
  3. Step 3: Cross multiply
    108,577.20x = 162,914.40 × 49,382.40
  4. Step 4: Simplify right side
    108,577.20x = 8,045,104,066.56
  5. Step 5: Solve for x
    x = 8,045,104,066.56/108,577.20
  6. Step 6: Final answer
    x = 74,095.70

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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.