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Finding the Fourth Proportional to 157,781.80, 236,643.42 and 63,003.88

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Solution

The fourth proportional to 157,781.80, 236,643.42 and 63,003.88 is: 94,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,781.80 : 236,643.42 = 63,003.88 : x
  2. Step 2: Convert to fraction form
    157,781.80/236,643.42 = 63,003.88/x
  3. Step 3: Cross multiply
    157,781.80x = 236,643.42 × 63,003.88
  4. Step 4: Simplify right side
    157,781.80x = 14,909,453,636.47
  5. Step 5: Solve for x
    x = 14,909,453,636.47/157,781.80
  6. Step 6: Final answer
    x = 94,494.13

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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.