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Finding the Fourth Proportional to 116,958.48, 161,392.90 and 69,203.52

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Solution

The fourth proportional to 116,958.48, 161,392.90 and 69,203.52 is: 95,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,958.48 : 161,392.90 = 69,203.52 : x
  2. Step 2: Convert to fraction form
    116,958.48/161,392.90 = 69,203.52/x
  3. Step 3: Cross multiply
    116,958.48x = 161,392.90 × 69,203.52
  4. Step 4: Simplify right side
    116,958.48x = 11,168,956,783.01
  5. Step 5: Solve for x
    x = 11,168,956,783.01/116,958.48
  6. Step 6: Final answer
    x = 95,495.06

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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.