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Finding the Fourth Proportional to 68,341.86, 94,227.98 and 56,199.91

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Solution

The fourth proportional to 68,341.86, 94,227.98 and 56,199.91 is: 77,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,341.86 : 94,227.98 = 56,199.91 : x
  2. Step 2: Convert to fraction form
    68,341.86/94,227.98 = 56,199.91/x
  3. Step 3: Cross multiply
    68,341.86x = 94,227.98 × 56,199.91
  4. Step 4: Simplify right side
    68,341.86x = 5,295,603,995.48
  5. Step 5: Solve for x
    x = 5,295,603,995.48/68,341.86
  6. Step 6: Final answer
    x = 77,486.97

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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.