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Finding the Fourth Proportional to 200,309.60, 276,427.32 and 109,671.32

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Solution

The fourth proportional to 200,309.60, 276,427.32 and 109,671.32 is: 151,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,309.60 : 276,427.32 = 109,671.32 : x
  2. Step 2: Convert to fraction form
    200,309.60/276,427.32 = 109,671.32/x
  3. Step 3: Cross multiply
    200,309.60x = 276,427.32 × 109,671.32
  4. Step 4: Simplify right side
    200,309.60x = 30,316,149,068.46
  5. Step 5: Solve for x
    x = 30,316,149,068.46/200,309.60
  6. Step 6: Final answer
    x = 151,346.46

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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.