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Finding the Fourth Proportional to 127,653.75, 191,568.11 and 44,547.75

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Solution

The fourth proportional to 127,653.75, 191,568.11 and 44,547.75 is: 66,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,653.75 : 191,568.11 = 44,547.75 : x
  2. Step 2: Convert to fraction form
    127,653.75/191,568.11 = 44,547.75/x
  3. Step 3: Cross multiply
    127,653.75x = 191,568.11 × 44,547.75
  4. Step 4: Simplify right side
    127,653.75x = 8,533,928,049.51
  5. Step 5: Solve for x
    x = 8,533,928,049.51/127,653.75
  6. Step 6: Final answer
    x = 66,852.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.