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Finding the Fourth Proportional to 104,570.75, 144,309.77 and 56,827.17

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Solution

The fourth proportional to 104,570.75, 144,309.77 and 56,827.17 is: 78,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,570.75 : 144,309.77 = 56,827.17 : x
  2. Step 2: Convert to fraction form
    104,570.75/144,309.77 = 56,827.17/x
  3. Step 3: Cross multiply
    104,570.75x = 144,309.77 × 56,827.17
  4. Step 4: Simplify right side
    104,570.75x = 8,200,716,167.29
  5. Step 5: Solve for x
    x = 8,200,716,167.29/104,570.75
  6. Step 6: Final answer
    x = 78,422.66

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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.