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Finding the Fourth Proportional to 374,398.80, 561,598.60 and 93,916.05

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Solution

The fourth proportional to 374,398.80, 561,598.60 and 93,916.05 is: 140,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,398.80 : 561,598.60 = 93,916.05 : x
  2. Step 2: Convert to fraction form
    374,398.80/561,598.60 = 93,916.05/x
  3. Step 3: Cross multiply
    374,398.80x = 561,598.60 × 93,916.05
  4. Step 4: Simplify right side
    374,398.80x = 52,743,122,197.53
  5. Step 5: Solve for x
    x = 52,743,122,197.53/374,398.80
  6. Step 6: Final answer
    x = 140,874.18

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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.