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Finding the Fourth Proportional to 114,903.05, 158,554.10 and 63,907.47

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Solution

The fourth proportional to 114,903.05, 158,554.10 and 63,907.47 is: 88,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,903.05 : 158,554.10 = 63,907.47 : x
  2. Step 2: Convert to fraction form
    114,903.05/158,554.10 = 63,907.47/x
  3. Step 3: Cross multiply
    114,903.05x = 158,554.10 × 63,907.47
  4. Step 4: Simplify right side
    114,903.05x = 10,132,791,069.59
  5. Step 5: Solve for x
    x = 10,132,791,069.59/114,903.05
  6. Step 6: Final answer
    x = 88,185.57

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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.