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Finding the Fourth Proportional to 133,025.31, 183,567.54 and 75,656.88

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Solution

The fourth proportional to 133,025.31, 183,567.54 and 75,656.88 is: 104,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.31 : 183,567.54 = 75,656.88 : x
  2. Step 2: Convert to fraction form
    133,025.31/183,567.54 = 75,656.88/x
  3. Step 3: Cross multiply
    133,025.31x = 183,567.54 × 75,656.88
  4. Step 4: Simplify right side
    133,025.31x = 13,888,147,345.68
  5. Step 5: Solve for x
    x = 13,888,147,345.68/133,025.31
  6. Step 6: Final answer
    x = 104,402.29

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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.