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Finding the Fourth Proportional to 247,798.84, 371,712.38 and 70,291.96

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Solution

The fourth proportional to 247,798.84, 371,712.38 and 70,291.96 is: 105,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,798.84 : 371,712.38 = 70,291.96 : x
  2. Step 2: Convert to fraction form
    247,798.84/371,712.38 = 70,291.96/x
  3. Step 3: Cross multiply
    247,798.84x = 371,712.38 × 70,291.96
  4. Step 4: Simplify right side
    247,798.84x = 26,128,391,746.46
  5. Step 5: Solve for x
    x = 26,128,391,746.46/247,798.84
  6. Step 6: Final answer
    x = 105,441.95

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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.