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Finding the Fourth Proportional to 116,907.96, 161,334.54 and 69,160.08

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Solution

The fourth proportional to 116,907.96, 161,334.54 and 69,160.08 is: 95,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,907.96 : 161,334.54 = 69,160.08 : x
  2. Step 2: Convert to fraction form
    116,907.96/161,334.54 = 69,160.08/x
  3. Step 3: Cross multiply
    116,907.96x = 161,334.54 × 69,160.08
  4. Step 4: Simplify right side
    116,907.96x = 11,157,909,693.16
  5. Step 5: Solve for x
    x = 11,157,909,693.16/116,907.96
  6. Step 6: Final answer
    x = 95,441.83

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1.5x scale

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.