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Finding the Fourth Proportional to 157,965.69, 236,948.53 and 63,238.52

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Solution

The fourth proportional to 157,965.69, 236,948.53 and 63,238.52 is: 94,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,965.69 : 236,948.53 = 63,238.52 : x
  2. Step 2: Convert to fraction form
    157,965.69/236,948.53 = 63,238.52/x
  3. Step 3: Cross multiply
    157,965.69x = 236,948.53 × 63,238.52
  4. Step 4: Simplify right side
    157,965.69x = 14,984,273,168.63
  5. Step 5: Solve for x
    x = 14,984,273,168.63/157,965.69
  6. Step 6: Final answer
    x = 94,857.77

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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.