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Finding the Fourth Proportional to 356,182.53, 534,373.68 and 143,100.07

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Solution

The fourth proportional to 356,182.53, 534,373.68 and 143,100.07 is: 214,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,182.53 : 534,373.68 = 143,100.07 : x
  2. Step 2: Convert to fraction form
    356,182.53/534,373.68 = 143,100.07/x
  3. Step 3: Cross multiply
    356,182.53x = 534,373.68 × 143,100.07
  4. Step 4: Simplify right side
    356,182.53x = 76,468,911,014.16
  5. Step 5: Solve for x
    x = 76,468,911,014.16/356,182.53
  6. Step 6: Final answer
    x = 214,690.23

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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.