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Finding the Fourth Proportional to 157,519, 236,387.96 and 64,024.84

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Solution

The fourth proportional to 157,519, 236,387.96 and 64,024.84 is: 96,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,519 : 236,387.96 = 64,024.84 : x
  2. Step 2: Convert to fraction form
    157,519/236,387.96 = 64,024.84/x
  3. Step 3: Cross multiply
    157,519x = 236,387.96 × 64,024.84
  4. Step 4: Simplify right side
    157,519x = 15,134,701,316.93
  5. Step 5: Solve for x
    x = 15,134,701,316.93/157,519
  6. Step 6: Final answer
    x = 96,081.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.