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Finding the Fourth Proportional to 374,559.48, 561,916.98 and 125,235

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Solution

The fourth proportional to 374,559.48, 561,916.98 and 125,235 is: 187,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,559.48 : 561,916.98 = 125,235 : x
  2. Step 2: Convert to fraction form
    374,559.48/561,916.98 = 125,235/x
  3. Step 3: Cross multiply
    374,559.48x = 561,916.98 × 125,235
  4. Step 4: Simplify right side
    374,559.48x = 70,371,672,990.30
  5. Step 5: Solve for x
    x = 70,371,672,990.30/374,559.48
  6. Step 6: Final answer
    x = 187,878.50

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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.