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Finding the Fourth Proportional to 272,874.56, 376,584 and 152,014.08

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Solution

The fourth proportional to 272,874.56, 376,584 and 152,014.08 is: 209,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,874.56 : 376,584 = 152,014.08 : x
  2. Step 2: Convert to fraction form
    272,874.56/376,584 = 152,014.08/x
  3. Step 3: Cross multiply
    272,874.56x = 376,584 × 152,014.08
  4. Step 4: Simplify right side
    272,874.56x = 57,246,070,302.72
  5. Step 5: Solve for x
    x = 57,246,070,302.72/272,874.56
  6. Step 6: Final answer
    x = 209,788.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.