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Finding the Fourth Proportional to 173,491.40, 259,718.70 and 103,334.60

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Solution

The fourth proportional to 173,491.40, 259,718.70 and 103,334.60 is: 154,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,491.40 : 259,718.70 = 103,334.60 : x
  2. Step 2: Convert to fraction form
    173,491.40/259,718.70 = 103,334.60/x
  3. Step 3: Cross multiply
    173,491.40x = 259,718.70 × 103,334.60
  4. Step 4: Simplify right side
    173,491.40x = 26,837,927,977.02
  5. Step 5: Solve for x
    x = 26,837,927,977.02/173,491.40
  6. Step 6: Final answer
    x = 154,693.13

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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.