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Finding the Fourth Proportional to 272,173.68, 375,578.37 and 151,307.64

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Solution

The fourth proportional to 272,173.68, 375,578.37 and 151,307.64 is: 208,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,173.68 : 375,578.37 = 151,307.64 : x
  2. Step 2: Convert to fraction form
    272,173.68/375,578.37 = 151,307.64/x
  3. Step 3: Cross multiply
    272,173.68x = 375,578.37 × 151,307.64
  4. Step 4: Simplify right side
    272,173.68x = 56,827,876,799.75
  5. Step 5: Solve for x
    x = 56,827,876,799.75/272,173.68
  6. Step 6: Final answer
    x = 208,792.70

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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.