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Finding the Fourth Proportional to 92,785.01, 128,044.13 and 50,344.38

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Solution

The fourth proportional to 92,785.01, 128,044.13 and 50,344.38 is: 69,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,785.01 : 128,044.13 = 50,344.38 : x
  2. Step 2: Convert to fraction form
    92,785.01/128,044.13 = 50,344.38/x
  3. Step 3: Cross multiply
    92,785.01x = 128,044.13 × 50,344.38
  4. Step 4: Simplify right side
    92,785.01x = 6,446,302,085.77
  5. Step 5: Solve for x
    x = 6,446,302,085.77/92,785.01
  6. Step 6: Final answer
    x = 69,475.69

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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.