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Finding the Fourth Proportional to 235,372.05, 353,058.08 and 77,562.45

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Solution

The fourth proportional to 235,372.05, 353,058.08 and 77,562.45 is: 116,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,372.05 : 353,058.08 = 77,562.45 : x
  2. Step 2: Convert to fraction form
    235,372.05/353,058.08 = 77,562.45/x
  3. Step 3: Cross multiply
    235,372.05x = 353,058.08 × 77,562.45
  4. Step 4: Simplify right side
    235,372.05x = 27,384,049,289.28
  5. Step 5: Solve for x
    x = 27,384,049,289.28/235,372.05
  6. Step 6: Final answer
    x = 116,343.68

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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.