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Finding the Fourth Proportional to 374,737.32, 562,113.30 and 137,958.12

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Solution

The fourth proportional to 374,737.32, 562,113.30 and 137,958.12 is: 206,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,737.32 : 562,113.30 = 137,958.12 : x
  2. Step 2: Convert to fraction form
    374,737.32/562,113.30 = 137,958.12/x
  3. Step 3: Cross multiply
    374,737.32x = 562,113.30 × 137,958.12
  4. Step 4: Simplify right side
    374,737.32x = 77,548,094,095.00
  5. Step 5: Solve for x
    x = 77,548,094,095.00/374,737.32
  6. Step 6: Final answer
    x = 206,939.87

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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.