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Finding the Fourth Proportional to 242,762.64, 335,011.06 and 135,333.56

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Solution

The fourth proportional to 242,762.64, 335,011.06 and 135,333.56 is: 186,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,762.64 : 335,011.06 = 135,333.56 : x
  2. Step 2: Convert to fraction form
    242,762.64/335,011.06 = 135,333.56/x
  3. Step 3: Cross multiply
    242,762.64x = 335,011.06 × 135,333.56
  4. Step 4: Simplify right side
    242,762.64x = 45,338,239,389.17
  5. Step 5: Solve for x
    x = 45,338,239,389.17/242,762.64
  6. Step 6: Final answer
    x = 186,759.54

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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.