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Finding the Fourth Proportional to 234,142.40, 351,214.51 and 56,649.12

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Solution

The fourth proportional to 234,142.40, 351,214.51 and 56,649.12 is: 84,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,142.40 : 351,214.51 = 56,649.12 : x
  2. Step 2: Convert to fraction form
    234,142.40/351,214.51 = 56,649.12/x
  3. Step 3: Cross multiply
    234,142.40x = 351,214.51 × 56,649.12
  4. Step 4: Simplify right side
    234,142.40x = 19,895,992,922.73
  5. Step 5: Solve for x
    x = 19,895,992,922.73/234,142.40
  6. Step 6: Final answer
    x = 84,973.90

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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.