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Finding the Fourth Proportional to 272,079.36, 375,467.52 and 152,847.36

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Solution

The fourth proportional to 272,079.36, 375,467.52 and 152,847.36 is: 210,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,079.36 : 375,467.52 = 152,847.36 : x
  2. Step 2: Convert to fraction form
    272,079.36/375,467.52 = 152,847.36/x
  3. Step 3: Cross multiply
    272,079.36x = 375,467.52 × 152,847.36
  4. Step 4: Simplify right side
    272,079.36x = 57,389,219,197.75
  5. Step 5: Solve for x
    x = 57,389,219,197.75/272,079.36
  6. Step 6: Final answer
    x = 210,928.24

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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.