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Finding the Fourth Proportional to 105,010.68, 144,942.30 and 59,715.12

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Solution

The fourth proportional to 105,010.68, 144,942.30 and 59,715.12 is: 82,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,010.68 : 144,942.30 = 59,715.12 : x
  2. Step 2: Convert to fraction form
    105,010.68/144,942.30 = 59,715.12/x
  3. Step 3: Cross multiply
    105,010.68x = 144,942.30 × 59,715.12
  4. Step 4: Simplify right side
    105,010.68x = 8,655,246,837.58
  5. Step 5: Solve for x
    x = 8,655,246,837.58/105,010.68
  6. Step 6: Final answer
    x = 82,422.54

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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.