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Finding the Fourth Proportional to 202,785.93, 304,199.55 and 69,648.93

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Solution

The fourth proportional to 202,785.93, 304,199.55 and 69,648.93 is: 104,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,785.93 : 304,199.55 = 69,648.93 : x
  2. Step 2: Convert to fraction form
    202,785.93/304,199.55 = 69,648.93/x
  3. Step 3: Cross multiply
    202,785.93x = 304,199.55 × 69,648.93
  4. Step 4: Simplify right side
    202,785.93x = 21,187,173,163.98
  5. Step 5: Solve for x
    x = 21,187,173,163.98/202,785.93
  6. Step 6: Final answer
    x = 104,480.49

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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.