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Finding the Fourth Proportional to 104,682.61, 144,463.14 and 56,936.08

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Solution

The fourth proportional to 104,682.61, 144,463.14 and 56,936.08 is: 78,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,682.61 : 144,463.14 = 56,936.08 : x
  2. Step 2: Convert to fraction form
    104,682.61/144,463.14 = 56,936.08/x
  3. Step 3: Cross multiply
    104,682.61x = 144,463.14 × 56,936.08
  4. Step 4: Simplify right side
    104,682.61x = 8,225,164,896.09
  5. Step 5: Solve for x
    x = 8,225,164,896.09/104,682.61
  6. Step 6: Final answer
    x = 78,572.41

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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.