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Finding the Fourth Proportional to 234,341.62, 323,423.62 and 143,681.56

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Solution

The fourth proportional to 234,341.62, 323,423.62 and 143,681.56 is: 198,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,341.62 : 323,423.62 = 143,681.56 : x
  2. Step 2: Convert to fraction form
    234,341.62/323,423.62 = 143,681.56/x
  3. Step 3: Cross multiply
    234,341.62x = 323,423.62 × 143,681.56
  4. Step 4: Simplify right side
    234,341.62x = 46,470,010,262.45
  5. Step 5: Solve for x
    x = 46,470,010,262.45/234,341.62
  6. Step 6: Final answer
    x = 198,300.29

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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.