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Finding the Fourth Proportional to 114,726.38, 158,322.40 and 64,425.38

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Solution

The fourth proportional to 114,726.38, 158,322.40 and 64,425.38 is: 88,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,726.38 : 158,322.40 = 64,425.38 : x
  2. Step 2: Convert to fraction form
    114,726.38/158,322.40 = 64,425.38/x
  3. Step 3: Cross multiply
    114,726.38x = 158,322.40 × 64,425.38
  4. Step 4: Simplify right side
    114,726.38x = 10,199,979,829.84
  5. Step 5: Solve for x
    x = 10,199,979,829.84/114,726.38
  6. Step 6: Final answer
    x = 88,907.02

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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.