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Finding the Fourth Proportional to 374,102.16, 561,376.80 and 137,468.76

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Solution

The fourth proportional to 374,102.16, 561,376.80 and 137,468.76 is: 206,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,102.16 : 561,376.80 = 137,468.76 : x
  2. Step 2: Convert to fraction form
    374,102.16/561,376.80 = 137,468.76/x
  3. Step 3: Cross multiply
    374,102.16x = 561,376.80 × 137,468.76
  4. Step 4: Simplify right side
    374,102.16x = 77,171,772,588.77
  5. Step 5: Solve for x
    x = 77,171,772,588.77/374,102.16
  6. Step 6: Final answer
    x = 206,285.29

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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.