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Finding the Fourth Proportional to 92,624.69, 127,751.54 and 79,725.91

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Solution

The fourth proportional to 92,624.69, 127,751.54 and 79,725.91 is: 109,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,624.69 : 127,751.54 = 79,725.91 : x
  2. Step 2: Convert to fraction form
    92,624.69/127,751.54 = 79,725.91/x
  3. Step 3: Cross multiply
    92,624.69x = 127,751.54 × 79,725.91
  4. Step 4: Simplify right side
    92,624.69x = 10,185,107,381.77
  5. Step 5: Solve for x
    x = 10,185,107,381.77/92,624.69
  6. Step 6: Final answer
    x = 109,961.05

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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.