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Finding the Fourth Proportional to 272,264.65, 375,670.16 and 159,065.53

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Solution

The fourth proportional to 272,264.65, 375,670.16 and 159,065.53 is: 219,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,264.65 : 375,670.16 = 159,065.53 : x
  2. Step 2: Convert to fraction form
    272,264.65/375,670.16 = 159,065.53/x
  3. Step 3: Cross multiply
    272,264.65x = 375,670.16 × 159,065.53
  4. Step 4: Simplify right side
    272,264.65x = 59,756,173,105.58
  5. Step 5: Solve for x
    x = 59,756,173,105.58/272,264.65
  6. Step 6: Final answer
    x = 219,478.27

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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.