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Finding the Fourth Proportional to 173,605.41, 260,428.95 and 61,262.43

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Solution

The fourth proportional to 173,605.41, 260,428.95 and 61,262.43 is: 91,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,605.41 : 260,428.95 = 61,262.43 : x
  2. Step 2: Convert to fraction form
    173,605.41/260,428.95 = 61,262.43/x
  3. Step 3: Cross multiply
    173,605.41x = 260,428.95 × 61,262.43
  4. Step 4: Simplify right side
    173,605.41x = 15,954,510,319.35
  5. Step 5: Solve for x
    x = 15,954,510,319.35/173,605.41
  6. Step 6: Final answer
    x = 91,901.00

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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.