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Finding the Fourth Proportional to 270,015.48, 372,614.13 and 149,154.16

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Solution

The fourth proportional to 270,015.48, 372,614.13 and 149,154.16 is: 205,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,015.48 : 372,614.13 = 149,154.16 : x
  2. Step 2: Convert to fraction form
    270,015.48/372,614.13 = 149,154.16/x
  3. Step 3: Cross multiply
    270,015.48x = 372,614.13 × 149,154.16
  4. Step 4: Simplify right side
    270,015.48x = 55,576,947,564.28
  5. Step 5: Solve for x
    x = 55,576,947,564.28/270,015.48
  6. Step 6: Final answer
    x = 205,828.75

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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.