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Finding the Fourth Proportional to 65,497.65, 98,315.19 and 58,048.89

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Solution

The fourth proportional to 65,497.65, 98,315.19 and 58,048.89 is: 87,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,497.65 : 98,315.19 = 58,048.89 : x
  2. Step 2: Convert to fraction form
    65,497.65/98,315.19 = 58,048.89/x
  3. Step 3: Cross multiply
    65,497.65x = 98,315.19 × 58,048.89
  4. Step 4: Simplify right side
    65,497.65x = 5,707,087,649.64
  5. Step 5: Solve for x
    x = 5,707,087,649.64/65,497.65
  6. Step 6: Final answer
    x = 87,134.24

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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.