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Finding the Fourth Proportional to 157,635.36, 236,488.68 and 52,458.48

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Solution

The fourth proportional to 157,635.36, 236,488.68 and 52,458.48 is: 78,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,635.36 : 236,488.68 = 52,458.48 : x
  2. Step 2: Convert to fraction form
    157,635.36/236,488.68 = 52,458.48/x
  3. Step 3: Cross multiply
    157,635.36x = 236,488.68 × 52,458.48
  4. Step 4: Simplify right side
    157,635.36x = 12,405,836,690.01
  5. Step 5: Solve for x
    x = 12,405,836,690.01/157,635.36
  6. Step 6: Final answer
    x = 78,699.58

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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.