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Finding the Fourth Proportional to 272,113.68, 375,495.28 and 151,245.48

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Solution

The fourth proportional to 272,113.68, 375,495.28 and 151,245.48 is: 208,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,113.68 : 375,495.28 = 151,245.48 : x
  2. Step 2: Convert to fraction form
    272,113.68/375,495.28 = 151,245.48/x
  3. Step 3: Cross multiply
    272,113.68x = 375,495.28 × 151,245.48
  4. Step 4: Simplify right side
    272,113.68x = 56,791,963,861.33
  5. Step 5: Solve for x
    x = 56,791,963,861.33/272,113.68
  6. Step 6: Final answer
    x = 208,706.76

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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.