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Finding the Fourth Proportional to 105,014.71, 144,928.91 and 59,706.91

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Solution

The fourth proportional to 105,014.71, 144,928.91 and 59,706.91 is: 82,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014.71 : 144,928.91 = 59,706.91 : x
  2. Step 2: Convert to fraction form
    105,014.71/144,928.91 = 59,706.91/x
  3. Step 3: Cross multiply
    105,014.71x = 144,928.91 × 59,706.91
  4. Step 4: Simplify right side
    105,014.71x = 8,653,257,716.20
  5. Step 5: Solve for x
    x = 8,653,257,716.20/105,014.71
  6. Step 6: Final answer
    x = 82,400.43

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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.