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Finding the Fourth Proportional to 130,567.96, 180,238.90 and 88,183.90

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Solution

The fourth proportional to 130,567.96, 180,238.90 and 88,183.90 is: 121,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,567.96 : 180,238.90 = 88,183.90 : x
  2. Step 2: Convert to fraction form
    130,567.96/180,238.90 = 88,183.90/x
  3. Step 3: Cross multiply
    130,567.96x = 180,238.90 × 88,183.90
  4. Step 4: Simplify right side
    130,567.96x = 15,894,168,462.65
  5. Step 5: Solve for x
    x = 15,894,168,462.65/130,567.96
  6. Step 6: Final answer
    x = 121,731.00

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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.