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Finding the Fourth Proportional to 127,842.03, 191,763 and 39,095.55

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Solution

The fourth proportional to 127,842.03, 191,763 and 39,095.55 is: 58,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,842.03 : 191,763 = 39,095.55 : x
  2. Step 2: Convert to fraction form
    127,842.03/191,763 = 39,095.55/x
  3. Step 3: Cross multiply
    127,842.03x = 191,763 × 39,095.55
  4. Step 4: Simplify right side
    127,842.03x = 7,497,079,954.65
  5. Step 5: Solve for x
    x = 7,497,079,954.65/127,842.03
  6. Step 6: Final answer
    x = 58,643.31

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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.