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Finding the Fourth Proportional to 114,684.89, 158,259.74 and 63,700.90

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Solution

The fourth proportional to 114,684.89, 158,259.74 and 63,700.90 is: 87,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,684.89 : 158,259.74 = 63,700.90 : x
  2. Step 2: Convert to fraction form
    114,684.89/158,259.74 = 63,700.90/x
  3. Step 3: Cross multiply
    114,684.89x = 158,259.74 × 63,700.90
  4. Step 4: Simplify right side
    114,684.89x = 10,081,287,157.61
  5. Step 5: Solve for x
    x = 10,081,287,157.61/114,684.89
  6. Step 6: Final answer
    x = 87,904.24

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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.