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Finding the Fourth Proportional to 461,605.58, 692,443.39 and 124,641.33

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Solution

The fourth proportional to 461,605.58, 692,443.39 and 124,641.33 is: 186,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,605.58 : 692,443.39 = 124,641.33 : x
  2. Step 2: Convert to fraction form
    461,605.58/692,443.39 = 124,641.33/x
  3. Step 3: Cross multiply
    461,605.58x = 692,443.39 × 124,641.33
  4. Step 4: Simplify right side
    461,605.58x = 86,307,062,638.45
  5. Step 5: Solve for x
    x = 86,307,062,638.45/461,605.58
  6. Step 6: Final answer
    x = 186,971.45

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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.