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Finding the Fourth Proportional to 272,046.84, 375,459.68 and 152,837.88

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Solution

The fourth proportional to 272,046.84, 375,459.68 and 152,837.88 is: 210,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,046.84 : 375,459.68 = 152,837.88 : x
  2. Step 2: Convert to fraction form
    272,046.84/375,459.68 = 152,837.88/x
  3. Step 3: Cross multiply
    272,046.84x = 375,459.68 × 152,837.88
  4. Step 4: Simplify right side
    272,046.84x = 57,384,461,516.68
  5. Step 5: Solve for x
    x = 57,384,461,516.68/272,046.84
  6. Step 6: Final answer
    x = 210,935.96

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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.