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Finding the Fourth Proportional to 202,289.58, 279,264.60 and 147,780.59

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Solution

The fourth proportional to 202,289.58, 279,264.60 and 147,780.59 is: 204,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,289.58 : 279,264.60 = 147,780.59 : x
  2. Step 2: Convert to fraction form
    202,289.58/279,264.60 = 147,780.59/x
  3. Step 3: Cross multiply
    202,289.58x = 279,264.60 × 147,780.59
  4. Step 4: Simplify right side
    202,289.58x = 41,269,885,957.79
  5. Step 5: Solve for x
    x = 41,269,885,957.79/202,289.58
  6. Step 6: Final answer
    x = 204,013.90

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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.