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Finding the Fourth Proportional to 127,596.35, 191,394.59 and 57,393.65

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Solution

The fourth proportional to 127,596.35, 191,394.59 and 57,393.65 is: 86,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,596.35 : 191,394.59 = 57,393.65 : x
  2. Step 2: Convert to fraction form
    127,596.35/191,394.59 = 57,393.65/x
  3. Step 3: Cross multiply
    127,596.35x = 191,394.59 × 57,393.65
  4. Step 4: Simplify right side
    127,596.35x = 10,984,832,866.41
  5. Step 5: Solve for x
    x = 10,984,832,866.41/127,596.35
  6. Step 6: Final answer
    x = 86,090.50

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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.