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Finding the Fourth Proportional to 159,322.60, 220,062.18 and 116,813.80

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Solution

The fourth proportional to 159,322.60, 220,062.18 and 116,813.80 is: 161,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,322.60 : 220,062.18 = 116,813.80 : x
  2. Step 2: Convert to fraction form
    159,322.60/220,062.18 = 116,813.80/x
  3. Step 3: Cross multiply
    159,322.60x = 220,062.18 × 116,813.80
  4. Step 4: Simplify right side
    159,322.60x = 25,706,299,482.08
  5. Step 5: Solve for x
    x = 25,706,299,482.08/159,322.60
  6. Step 6: Final answer
    x = 161,347.48

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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.