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Finding the Fourth Proportional to 114,185.55, 157,572.89 and 63,197.01

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Solution

The fourth proportional to 114,185.55, 157,572.89 and 63,197.01 is: 87,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,185.55 : 157,572.89 = 63,197.01 : x
  2. Step 2: Convert to fraction form
    114,185.55/157,572.89 = 63,197.01/x
  3. Step 3: Cross multiply
    114,185.55x = 157,572.89 × 63,197.01
  4. Step 4: Simplify right side
    114,185.55x = 9,958,135,781.55
  5. Step 5: Solve for x
    x = 9,958,135,781.55/114,185.55
  6. Step 6: Final answer
    x = 87,210.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.