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Finding the Fourth Proportional to 170,173.98, 234,826.02 and 98,558.64

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Solution

The fourth proportional to 170,173.98, 234,826.02 and 98,558.64 is: 136,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,173.98 : 234,826.02 = 98,558.64 : x
  2. Step 2: Convert to fraction form
    170,173.98/234,826.02 = 98,558.64/x
  3. Step 3: Cross multiply
    170,173.98x = 234,826.02 × 98,558.64
  4. Step 4: Simplify right side
    170,173.98x = 23,144,133,167.81
  5. Step 5: Solve for x
    x = 23,144,133,167.81/170,173.98
  6. Step 6: Final answer
    x = 136,002.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.