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Finding the Fourth Proportional to 200,671.18, 276,938.67 and 111,247.18

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Solution

The fourth proportional to 200,671.18, 276,938.67 and 111,247.18 is: 153,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,671.18 : 276,938.67 = 111,247.18 : x
  2. Step 2: Convert to fraction form
    200,671.18/276,938.67 = 111,247.18/x
  3. Step 3: Cross multiply
    200,671.18x = 276,938.67 × 111,247.18
  4. Step 4: Simplify right side
    200,671.18x = 30,808,646,070.45
  5. Step 5: Solve for x
    x = 30,808,646,070.45/200,671.18
  6. Step 6: Final answer
    x = 153,528.01

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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.