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Finding the Fourth Proportional to 223,160.66, 307,808.87 and 142,552.39

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Solution

The fourth proportional to 223,160.66, 307,808.87 and 142,552.39 is: 196,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,160.66 : 307,808.87 = 142,552.39 : x
  2. Step 2: Convert to fraction form
    223,160.66/307,808.87 = 142,552.39/x
  3. Step 3: Cross multiply
    223,160.66x = 307,808.87 × 142,552.39
  4. Step 4: Simplify right side
    223,160.66x = 43,878,890,081.70
  5. Step 5: Solve for x
    x = 43,878,890,081.70/223,160.66
  6. Step 6: Final answer
    x = 196,624.67

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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.