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Finding the Fourth Proportional to 200,352.45, 276,492.98 and 109,712.24

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Solution

The fourth proportional to 200,352.45, 276,492.98 and 109,712.24 is: 151,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,352.45 : 276,492.98 = 109,712.24 : x
  2. Step 2: Convert to fraction form
    200,352.45/276,492.98 = 109,712.24/x
  3. Step 3: Cross multiply
    200,352.45x = 276,492.98 × 109,712.24
  4. Step 4: Simplify right side
    200,352.45x = 30,334,664,180.08
  5. Step 5: Solve for x
    x = 30,334,664,180.08/200,352.45
  6. Step 6: Final answer
    x = 151,406.50

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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.