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Finding the Fourth Proportional to 234,616.50, 323,412.48 and 143,804.16

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Solution

The fourth proportional to 234,616.50, 323,412.48 and 143,804.16 is: 198,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,616.50 : 323,412.48 = 143,804.16 : x
  2. Step 2: Convert to fraction form
    234,616.50/323,412.48 = 143,804.16/x
  3. Step 3: Cross multiply
    234,616.50x = 323,412.48 × 143,804.16
  4. Step 4: Simplify right side
    234,616.50x = 46,508,060,019.92
  5. Step 5: Solve for x
    x = 46,508,060,019.92/234,616.50
  6. Step 6: Final answer
    x = 198,230.13

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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.