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Finding the Fourth Proportional to 92,859.86, 139,345.12 and 33,700.14

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Solution

The fourth proportional to 92,859.86, 139,345.12 and 33,700.14 is: 50,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859.86 : 139,345.12 = 33,700.14 : x
  2. Step 2: Convert to fraction form
    92,859.86/139,345.12 = 33,700.14/x
  3. Step 3: Cross multiply
    92,859.86x = 139,345.12 × 33,700.14
  4. Step 4: Simplify right side
    92,859.86x = 4,695,950,052.32
  5. Step 5: Solve for x
    x = 4,695,950,052.32/92,859.86
  6. Step 6: Final answer
    x = 50,570.29

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1.5x scale

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.