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Finding the Fourth Proportional to 272,191.84, 375,503.50 and 158,964.64

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Solution

The fourth proportional to 272,191.84, 375,503.50 and 158,964.64 is: 219,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,191.84 : 375,503.50 = 158,964.64 : x
  2. Step 2: Convert to fraction form
    272,191.84/375,503.50 = 158,964.64/x
  3. Step 3: Cross multiply
    272,191.84x = 375,503.50 × 158,964.64
  4. Step 4: Simplify right side
    272,191.84x = 59,691,778,696.24
  5. Step 5: Solve for x
    x = 59,691,778,696.24/272,191.84
  6. Step 6: Final answer
    x = 219,300.40

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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.