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Finding the Fourth Proportional to 240,908.64, 361,345.68 and 74,692.32

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Solution

The fourth proportional to 240,908.64, 361,345.68 and 74,692.32 is: 112,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,908.64 : 361,345.68 = 74,692.32 : x
  2. Step 2: Convert to fraction form
    240,908.64/361,345.68 = 74,692.32/x
  3. Step 3: Cross multiply
    240,908.64x = 361,345.68 × 74,692.32
  4. Step 4: Simplify right side
    240,908.64x = 26,989,747,161.18
  5. Step 5: Solve for x
    x = 26,989,747,161.18/240,908.64
  6. Step 6: Final answer
    x = 112,033.12

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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.