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Finding the Fourth Proportional to 104,246.33, 143,859.85 and 56,499.66

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Solution

The fourth proportional to 104,246.33, 143,859.85 and 56,499.66 is: 77,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,246.33 : 143,859.85 = 56,499.66 : x
  2. Step 2: Convert to fraction form
    104,246.33/143,859.85 = 56,499.66/x
  3. Step 3: Cross multiply
    104,246.33x = 143,859.85 × 56,499.66
  4. Step 4: Simplify right side
    104,246.33x = 8,128,032,471.40
  5. Step 5: Solve for x
    x = 8,128,032,471.40/104,246.33
  6. Step 6: Final answer
    x = 77,969.49

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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.