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Finding the Fourth Proportional to 125,666.58, 188,459.87 and 41,411.03

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Solution

The fourth proportional to 125,666.58, 188,459.87 and 41,411.03 is: 62,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,666.58 : 188,459.87 = 41,411.03 : x
  2. Step 2: Convert to fraction form
    125,666.58/188,459.87 = 41,411.03/x
  3. Step 3: Cross multiply
    125,666.58x = 188,459.87 × 41,411.03
  4. Step 4: Simplify right side
    125,666.58x = 7,804,316,491.59
  5. Step 5: Solve for x
    x = 7,804,316,491.59/125,666.58
  6. Step 6: Final answer
    x = 62,103.36

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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.