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Finding the Fourth Proportional to 158,428.58, 237,672.84 and 63,666.14

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Solution

The fourth proportional to 158,428.58, 237,672.84 and 63,666.14 is: 95,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,428.58 : 237,672.84 = 63,666.14 : x
  2. Step 2: Convert to fraction form
    158,428.58/237,672.84 = 63,666.14/x
  3. Step 3: Cross multiply
    158,428.58x = 237,672.84 × 63,666.14
  4. Step 4: Simplify right side
    158,428.58x = 15,131,712,305.64
  5. Step 5: Solve for x
    x = 15,131,712,305.64/158,428.58
  6. Step 6: Final answer
    x = 95,511.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.