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Finding the Fourth Proportional to 245,420.35, 367,979.71 and 95,486.01

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Solution

The fourth proportional to 245,420.35, 367,979.71 and 95,486.01 is: 143,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,420.35 : 367,979.71 = 95,486.01 : x
  2. Step 2: Convert to fraction form
    245,420.35/367,979.71 = 95,486.01/x
  3. Step 3: Cross multiply
    245,420.35x = 367,979.71 × 95,486.01
  4. Step 4: Simplify right side
    245,420.35x = 35,136,914,268.86
  5. Step 5: Solve for x
    x = 35,136,914,268.86/245,420.35
  6. Step 6: Final answer
    x = 143,170.34

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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.