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Finding the Fourth Proportional to 461,605.96, 692,443.95 and 124,641.71

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Solution

The fourth proportional to 461,605.96, 692,443.95 and 124,641.71 is: 186,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,605.96 : 692,443.95 = 124,641.71 : x
  2. Step 2: Convert to fraction form
    461,605.96/692,443.95 = 124,641.71/x
  3. Step 3: Cross multiply
    461,605.96x = 692,443.95 × 124,641.71
  4. Step 4: Simplify right side
    461,605.96x = 86,307,394,544.93
  5. Step 5: Solve for x
    x = 86,307,394,544.93/461,605.96
  6. Step 6: Final answer
    x = 186,972.01

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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.