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Finding the Fourth Proportional to 272,094.76, 408,035.40 and 103,525.60

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Solution

The fourth proportional to 272,094.76, 408,035.40 and 103,525.60 is: 155,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,094.76 : 408,035.40 = 103,525.60 : x
  2. Step 2: Convert to fraction form
    272,094.76/408,035.40 = 103,525.60/x
  3. Step 3: Cross multiply
    272,094.76x = 408,035.40 × 103,525.60
  4. Step 4: Simplify right side
    272,094.76x = 42,242,109,606.24
  5. Step 5: Solve for x
    x = 42,242,109,606.24/272,094.76
  6. Step 6: Final answer
    x = 155,247.79

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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.