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Finding the Fourth Proportional to 362,175.80, 543,263.70 and 162,502.70

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Solution

The fourth proportional to 362,175.80, 543,263.70 and 162,502.70 is: 243,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,175.80 : 543,263.70 = 162,502.70 : x
  2. Step 2: Convert to fraction form
    362,175.80/543,263.70 = 162,502.70/x
  3. Step 3: Cross multiply
    362,175.80x = 543,263.70 × 162,502.70
  4. Step 4: Simplify right side
    362,175.80x = 88,281,818,061.99
  5. Step 5: Solve for x
    x = 88,281,818,061.99/362,175.80
  6. Step 6: Final answer
    x = 243,754.05

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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.