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Finding the Fourth Proportional to 272,186.76, 375,617.72 and 152,954.76

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Solution

The fourth proportional to 272,186.76, 375,617.72 and 152,954.76 is: 211,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,186.76 : 375,617.72 = 152,954.76 : x
  2. Step 2: Convert to fraction form
    272,186.76/375,617.72 = 152,954.76/x
  3. Step 3: Cross multiply
    272,186.76x = 375,617.72 × 152,954.76
  4. Step 4: Simplify right side
    272,186.76x = 57,452,518,214.35
  5. Step 5: Solve for x
    x = 57,452,518,214.35/272,186.76
  6. Step 6: Final answer
    x = 211,077.56

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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.