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Finding the Fourth Proportional to 242,924.01, 335,235.72 and 135,501

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Solution

The fourth proportional to 242,924.01, 335,235.72 and 135,501 is: 186,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,924.01 : 335,235.72 = 135,501 : x
  2. Step 2: Convert to fraction form
    242,924.01/335,235.72 = 135,501/x
  3. Step 3: Cross multiply
    242,924.01x = 335,235.72 × 135,501
  4. Step 4: Simplify right side
    242,924.01x = 45,424,775,295.72
  5. Step 5: Solve for x
    x = 45,424,775,295.72/242,924.01
  6. Step 6: Final answer
    x = 186,991.71

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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.