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Finding the Fourth Proportional to 175,647.96, 263,472.60 and 42,528

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Solution

The fourth proportional to 175,647.96, 263,472.60 and 42,528 is: 63,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,647.96 : 263,472.60 = 42,528 : x
  2. Step 2: Convert to fraction form
    175,647.96/263,472.60 = 42,528/x
  3. Step 3: Cross multiply
    175,647.96x = 263,472.60 × 42,528
  4. Step 4: Simplify right side
    175,647.96x = 11,204,962,732.80
  5. Step 5: Solve for x
    x = 11,204,962,732.80/175,647.96
  6. Step 6: Final answer
    x = 63,792.16

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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.