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Finding the Fourth Proportional to 116,416.80, 174,747.35 and 103,174.52

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Solution

The fourth proportional to 116,416.80, 174,747.35 and 103,174.52 is: 154,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,416.80 : 174,747.35 = 103,174.52 : x
  2. Step 2: Convert to fraction form
    116,416.80/174,747.35 = 103,174.52/x
  3. Step 3: Cross multiply
    116,416.80x = 174,747.35 × 103,174.52
  4. Step 4: Simplify right side
    116,416.80x = 18,029,473,341.72
  5. Step 5: Solve for x
    x = 18,029,473,341.72/116,416.80
  6. Step 6: Final answer
    x = 154,870.03

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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.