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Finding the Fourth Proportional to 200,925.30, 300,869.55 and 159,453.30

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Solution

The fourth proportional to 200,925.30, 300,869.55 and 159,453.30 is: 238,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,925.30 : 300,869.55 = 159,453.30 : x
  2. Step 2: Convert to fraction form
    200,925.30/300,869.55 = 159,453.30/x
  3. Step 3: Cross multiply
    200,925.30x = 300,869.55 × 159,453.30
  4. Step 4: Simplify right side
    200,925.30x = 47,974,642,617.02
  5. Step 5: Solve for x
    x = 47,974,642,617.02/200,925.30
  6. Step 6: Final answer
    x = 238,768.55

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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.