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Finding the Fourth Proportional to 272,045.84, 375,458.30 and 152,836.88

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Solution

The fourth proportional to 272,045.84, 375,458.30 and 152,836.88 is: 210,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,045.84 : 375,458.30 = 152,836.88 : x
  2. Step 2: Convert to fraction form
    272,045.84/375,458.30 = 152,836.88/x
  3. Step 3: Cross multiply
    272,045.84x = 375,458.30 × 152,836.88
  4. Step 4: Simplify right side
    272,045.84x = 57,383,875,142.10
  5. Step 5: Solve for x
    x = 57,383,875,142.10/272,045.84
  6. Step 6: Final answer
    x = 210,934.58

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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.