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Finding the Fourth Proportional to 272,146.50, 375,562.17 and 158,970.06

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Solution

The fourth proportional to 272,146.50, 375,562.17 and 158,970.06 is: 219,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,146.50 : 375,562.17 = 158,970.06 : x
  2. Step 2: Convert to fraction form
    272,146.50/375,562.17 = 158,970.06/x
  3. Step 3: Cross multiply
    272,146.50x = 375,562.17 × 158,970.06
  4. Step 4: Simplify right side
    272,146.50x = 59,703,140,698.63
  5. Step 5: Solve for x
    x = 59,703,140,698.63/272,146.50
  6. Step 6: Final answer
    x = 219,378.68

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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.