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Finding the Fourth Proportional to 356,651.71, 534,822.04 and 134,880.19

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Solution

The fourth proportional to 356,651.71, 534,822.04 and 134,880.19 is: 202,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,651.71 : 534,822.04 = 134,880.19 : x
  2. Step 2: Convert to fraction form
    356,651.71/534,822.04 = 134,880.19/x
  3. Step 3: Cross multiply
    356,651.71x = 534,822.04 × 134,880.19
  4. Step 4: Simplify right side
    356,651.71x = 72,136,897,202.93
  5. Step 5: Solve for x
    x = 72,136,897,202.93/356,651.71
  6. Step 6: Final answer
    x = 202,261.47

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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.