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Finding the Fourth Proportional to 270,987.30, 373,951.80 and 150,130.47

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Solution

The fourth proportional to 270,987.30, 373,951.80 and 150,130.47 is: 207,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,987.30 : 373,951.80 = 150,130.47 : x
  2. Step 2: Convert to fraction form
    270,987.30/373,951.80 = 150,130.47/x
  3. Step 3: Cross multiply
    270,987.30x = 373,951.80 × 150,130.47
  4. Step 4: Simplify right side
    270,987.30x = 56,141,559,491.35
  5. Step 5: Solve for x
    x = 56,141,559,491.35/270,987.30
  6. Step 6: Final answer
    x = 207,174.14

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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.