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Finding the Fourth Proportional to 247,079.61, 340,960.73 and 133,899.93

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Solution

The fourth proportional to 247,079.61, 340,960.73 and 133,899.93 is: 184,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,079.61 : 340,960.73 = 133,899.93 : x
  2. Step 2: Convert to fraction form
    247,079.61/340,960.73 = 133,899.93/x
  3. Step 3: Cross multiply
    247,079.61x = 340,960.73 × 133,899.93
  4. Step 4: Simplify right side
    247,079.61x = 45,654,617,210.25
  5. Step 5: Solve for x
    x = 45,654,617,210.25/247,079.61
  6. Step 6: Final answer
    x = 184,776.95

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1.5x scale

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.