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Finding the Fourth Proportional to 169,268.70, 233,579.67 and 93,812.70

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Solution

The fourth proportional to 169,268.70, 233,579.67 and 93,812.70 is: 129,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,268.70 : 233,579.67 = 93,812.70 : x
  2. Step 2: Convert to fraction form
    169,268.70/233,579.67 = 93,812.70/x
  3. Step 3: Cross multiply
    169,268.70x = 233,579.67 × 93,812.70
  4. Step 4: Simplify right side
    169,268.70x = 21,912,739,507.81
  5. Step 5: Solve for x
    x = 21,912,739,507.81/169,268.70
  6. Step 6: Final answer
    x = 129,455.35

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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.