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Finding the Fourth Proportional to 235,168.65, 324,533.99 and 127,739.57

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Solution

The fourth proportional to 235,168.65, 324,533.99 and 127,739.57 is: 176,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,168.65 : 324,533.99 = 127,739.57 : x
  2. Step 2: Convert to fraction form
    235,168.65/324,533.99 = 127,739.57/x
  3. Step 3: Cross multiply
    235,168.65x = 324,533.99 × 127,739.57
  4. Step 4: Simplify right side
    235,168.65x = 41,455,831,029.66
  5. Step 5: Solve for x
    x = 41,455,831,029.66/235,168.65
  6. Step 6: Final answer
    x = 176,281.28

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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.