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Finding the Fourth Proportional to 153,317.65, 211,567.81 and 95,954.56

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Solution

The fourth proportional to 153,317.65, 211,567.81 and 95,954.56 is: 132,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,317.65 : 211,567.81 = 95,954.56 : x
  2. Step 2: Convert to fraction form
    153,317.65/211,567.81 = 95,954.56/x
  3. Step 3: Cross multiply
    153,317.65x = 211,567.81 × 95,954.56
  4. Step 4: Simplify right side
    153,317.65x = 20,300,896,118.71
  5. Step 5: Solve for x
    x = 20,300,896,118.71/153,317.65
  6. Step 6: Final answer
    x = 132,410.69

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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.