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Finding the Fourth Proportional to 195,699.53, 269,801.74 and 127,581.77

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Solution

The fourth proportional to 195,699.53, 269,801.74 and 127,581.77 is: 175,890.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,699.53 : 269,801.74 = 127,581.77 : x
  2. Step 2: Convert to fraction form
    195,699.53/269,801.74 = 127,581.77/x
  3. Step 3: Cross multiply
    195,699.53x = 269,801.74 × 127,581.77
  4. Step 4: Simplify right side
    195,699.53x = 34,421,783,538.28
  5. Step 5: Solve for x
    x = 34,421,783,538.28/195,699.53
  6. Step 6: Final answer
    x = 175,890.99

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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.