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Finding the Fourth Proportional to 158,606.72, 218,901.44 and 98,187.52

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Solution

The fourth proportional to 158,606.72, 218,901.44 and 98,187.52 is: 135,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,606.72 : 218,901.44 = 98,187.52 : x
  2. Step 2: Convert to fraction form
    158,606.72/218,901.44 = 98,187.52/x
  3. Step 3: Cross multiply
    158,606.72x = 218,901.44 × 98,187.52
  4. Step 4: Simplify right side
    158,606.72x = 21,493,389,518.03
  5. Step 5: Solve for x
    x = 21,493,389,518.03/158,606.72
  6. Step 6: Final answer
    x = 135,513.74

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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.