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Finding the Fourth Proportional to 130,776.75, 195,886.71 and 98,834.94

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Solution

The fourth proportional to 130,776.75, 195,886.71 and 98,834.94 is: 148,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,776.75 : 195,886.71 = 98,834.94 : x
  2. Step 2: Convert to fraction form
    130,776.75/195,886.71 = 98,834.94/x
  3. Step 3: Cross multiply
    130,776.75x = 195,886.71 × 98,834.94
  4. Step 4: Simplify right side
    130,776.75x = 19,360,451,229.65
  5. Step 5: Solve for x
    x = 19,360,451,229.65/130,776.75
  6. Step 6: Final answer
    x = 148,042.00

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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.