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Finding the Fourth Proportional to 270,056.88, 372,710.16 and 162,681.12

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Solution

The fourth proportional to 270,056.88, 372,710.16 and 162,681.12 is: 224,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,056.88 : 372,710.16 = 162,681.12 : x
  2. Step 2: Convert to fraction form
    270,056.88/372,710.16 = 162,681.12/x
  3. Step 3: Cross multiply
    270,056.88x = 372,710.16 × 162,681.12
  4. Step 4: Simplify right side
    270,056.88x = 60,632,906,264.18
  5. Step 5: Solve for x
    x = 60,632,906,264.18/270,056.88
  6. Step 6: Final answer
    x = 224,519.02

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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.