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Finding the Fourth Proportional to 272,038.48, 375,424.36 and 151,179.28

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Solution

The fourth proportional to 272,038.48, 375,424.36 and 151,179.28 is: 208,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,038.48 : 375,424.36 = 151,179.28 : x
  2. Step 2: Convert to fraction form
    272,038.48/375,424.36 = 151,179.28/x
  3. Step 3: Cross multiply
    272,038.48x = 375,424.36 × 151,179.28
  4. Step 4: Simplify right side
    272,038.48x = 56,756,384,439.26
  5. Step 5: Solve for x
    x = 56,756,384,439.26/272,038.48
  6. Step 6: Final answer
    x = 208,633.66

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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.