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Finding the Fourth Proportional to 114,641.51, 158,197.57 and 63,651.60

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Solution

The fourth proportional to 114,641.51, 158,197.57 and 63,651.60 is: 87,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,641.51 : 158,197.57 = 63,651.60 : x
  2. Step 2: Convert to fraction form
    114,641.51/158,197.57 = 63,651.60/x
  3. Step 3: Cross multiply
    114,641.51x = 158,197.57 × 63,651.60
  4. Step 4: Simplify right side
    114,641.51x = 10,069,529,000.07
  5. Step 5: Solve for x
    x = 10,069,529,000.07/114,641.51
  6. Step 6: Final answer
    x = 87,834.93

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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.