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Finding the Fourth Proportional to 104,527.94, 144,243.17 and 56,781.17

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Solution

The fourth proportional to 104,527.94, 144,243.17 and 56,781.17 is: 78,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,527.94 : 144,243.17 = 56,781.17 : x
  2. Step 2: Convert to fraction form
    104,527.94/144,243.17 = 56,781.17/x
  3. Step 3: Cross multiply
    104,527.94x = 144,243.17 × 56,781.17
  4. Step 4: Simplify right side
    104,527.94x = 8,190,294,951.99
  5. Step 5: Solve for x
    x = 8,190,294,951.99/104,527.94
  6. Step 6: Final answer
    x = 78,355.08

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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.