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Finding the Fourth Proportional to 247,653.34, 371,220.73 and 103,641.67

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Solution

The fourth proportional to 247,653.34, 371,220.73 and 103,641.67 is: 155,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,653.34 : 371,220.73 = 103,641.67 : x
  2. Step 2: Convert to fraction form
    247,653.34/371,220.73 = 103,641.67/x
  3. Step 3: Cross multiply
    247,653.34x = 371,220.73 × 103,641.67
  4. Step 4: Simplify right side
    247,653.34x = 38,473,936,654.92
  5. Step 5: Solve for x
    x = 38,473,936,654.92/247,653.34
  6. Step 6: Final answer
    x = 155,354.00

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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.