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Finding the Fourth Proportional to 285,253.34, 427,947.48 and 93,126.74

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Solution

The fourth proportional to 285,253.34, 427,947.48 and 93,126.74 is: 139,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,253.34 : 427,947.48 = 93,126.74 : x
  2. Step 2: Convert to fraction form
    285,253.34/427,947.48 = 93,126.74/x
  3. Step 3: Cross multiply
    285,253.34x = 427,947.48 × 93,126.74
  4. Step 4: Simplify right side
    285,253.34x = 39,853,351,563.88
  5. Step 5: Solve for x
    x = 39,853,351,563.88/285,253.34
  6. Step 6: Final answer
    x = 139,712.13

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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.