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Finding the Fourth Proportional to 92,901.99, 139,389.89 and 29,731.80

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Solution

The fourth proportional to 92,901.99, 139,389.89 and 29,731.80 is: 44,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,901.99 : 139,389.89 = 29,731.80 : x
  2. Step 2: Convert to fraction form
    92,901.99/139,389.89 = 29,731.80/x
  3. Step 3: Cross multiply
    92,901.99x = 139,389.89 × 29,731.80
  4. Step 4: Simplify right side
    92,901.99x = 4,144,312,182.84
  5. Step 5: Solve for x
    x = 4,144,312,182.84/92,901.99
  6. Step 6: Final answer
    x = 44,609.51

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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.