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Finding the Fourth Proportional to 196,374.48, 294,477.85 and 74,715.31

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Solution

The fourth proportional to 196,374.48, 294,477.85 and 74,715.31 is: 112,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,374.48 : 294,477.85 = 74,715.31 : x
  2. Step 2: Convert to fraction form
    196,374.48/294,477.85 = 74,715.31/x
  3. Step 3: Cross multiply
    196,374.48x = 294,477.85 × 74,715.31
  4. Step 4: Simplify right side
    196,374.48x = 22,002,003,850.88
  5. Step 5: Solve for x
    x = 22,002,003,850.88/196,374.48
  6. Step 6: Final answer
    x = 112,041.05

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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.