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Finding the Fourth Proportional to 374,143.93, 561,271.26 and 137,468.17

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Solution

The fourth proportional to 374,143.93, 561,271.26 and 137,468.17 is: 206,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,143.93 : 561,271.26 = 137,468.17 : x
  2. Step 2: Convert to fraction form
    374,143.93/561,271.26 = 137,468.17/x
  3. Step 3: Cross multiply
    374,143.93x = 561,271.26 × 137,468.17
  4. Step 4: Simplify right side
    374,143.93x = 77,156,932,985.79
  5. Step 5: Solve for x
    x = 77,156,932,985.79/374,143.93
  6. Step 6: Final answer
    x = 206,222.60

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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.