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Finding the Fourth Proportional to 114,643.01, 158,207.66 and 63,655.84

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Solution

The fourth proportional to 114,643.01, 158,207.66 and 63,655.84 is: 87,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,643.01 : 158,207.66 = 63,655.84 : x
  2. Step 2: Convert to fraction form
    114,643.01/158,207.66 = 63,655.84/x
  3. Step 3: Cross multiply
    114,643.01x = 158,207.66 × 63,655.84
  4. Step 4: Simplify right side
    114,643.01x = 10,070,841,491.73
  5. Step 5: Solve for x
    x = 10,070,841,491.73/114,643.01
  6. Step 6: Final answer
    x = 87,845.23

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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.