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Finding the Fourth Proportional to 92,863.79, 139,288.86 and 29,666.94

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Solution

The fourth proportional to 92,863.79, 139,288.86 and 29,666.94 is: 44,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,863.79 : 139,288.86 = 29,666.94 : x
  2. Step 2: Convert to fraction form
    92,863.79/139,288.86 = 29,666.94/x
  3. Step 3: Cross multiply
    92,863.79x = 139,288.86 × 29,666.94
  4. Step 4: Simplify right side
    92,863.79x = 4,132,274,252.29
  5. Step 5: Solve for x
    x = 4,132,274,252.29/92,863.79
  6. Step 6: Final answer
    x = 44,498.23

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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.