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Finding the Fourth Proportional to 173,606.91, 260,431.20 and 61,263.93

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Solution

The fourth proportional to 173,606.91, 260,431.20 and 61,263.93 is: 91,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,606.91 : 260,431.20 = 61,263.93 : x
  2. Step 2: Convert to fraction form
    173,606.91/260,431.20 = 61,263.93/x
  3. Step 3: Cross multiply
    173,606.91x = 260,431.20 × 61,263.93
  4. Step 4: Simplify right side
    173,606.91x = 15,955,038,806.62
  5. Step 5: Solve for x
    x = 15,955,038,806.62/173,606.91
  6. Step 6: Final answer
    x = 91,903.25

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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.