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Finding the Fourth Proportional to 135,559.92, 203,477.52 and 65,498.16

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Solution

The fourth proportional to 135,559.92, 203,477.52 and 65,498.16 is: 98,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,559.92 : 203,477.52 = 65,498.16 : x
  2. Step 2: Convert to fraction form
    135,559.92/203,477.52 = 65,498.16/x
  3. Step 3: Cross multiply
    135,559.92x = 203,477.52 × 65,498.16
  4. Step 4: Simplify right side
    135,559.92x = 13,327,403,161.36
  5. Step 5: Solve for x
    x = 13,327,403,161.36/135,559.92
  6. Step 6: Final answer
    x = 98,313.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.