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Finding the Fourth Proportional to 124,006.60, 185,805.10 and 105,574.60

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Solution

The fourth proportional to 124,006.60, 185,805.10 and 105,574.60 is: 158,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,006.60 : 185,805.10 = 105,574.60 : x
  2. Step 2: Convert to fraction form
    124,006.60/185,805.10 = 105,574.60/x
  3. Step 3: Cross multiply
    124,006.60x = 185,805.10 × 105,574.60
  4. Step 4: Simplify right side
    124,006.60x = 19,616,299,110.46
  5. Step 5: Solve for x
    x = 19,616,299,110.46/124,006.60
  6. Step 6: Final answer
    x = 158,187.54

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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.