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Finding the Fourth Proportional to 272,065.84, 375,342.96 and 157,323.28

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Solution

The fourth proportional to 272,065.84, 375,342.96 and 157,323.28 is: 217,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,065.84 : 375,342.96 = 157,323.28 : x
  2. Step 2: Convert to fraction form
    272,065.84/375,342.96 = 157,323.28/x
  3. Step 3: Cross multiply
    272,065.84x = 375,342.96 × 157,323.28
  4. Step 4: Simplify right side
    272,065.84x = 59,050,185,592.11
  5. Step 5: Solve for x
    x = 59,050,185,592.11/272,065.84
  6. Step 6: Final answer
    x = 217,043.73

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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.