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Finding the Fourth Proportional to 243,345.01, 335,794.26 and 135,900.13

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Solution

The fourth proportional to 243,345.01, 335,794.26 and 135,900.13 is: 187,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,345.01 : 335,794.26 = 135,900.13 : x
  2. Step 2: Convert to fraction form
    243,345.01/335,794.26 = 135,900.13/x
  3. Step 3: Cross multiply
    243,345.01x = 335,794.26 × 135,900.13
  4. Step 4: Simplify right side
    243,345.01x = 45,634,483,587.25
  5. Step 5: Solve for x
    x = 45,634,483,587.25/243,345.01
  6. Step 6: Final answer
    x = 187,529.97

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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.