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Finding the Fourth Proportional to 188,499.40, 260,042.48 and 167,011.06

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Solution

The fourth proportional to 188,499.40, 260,042.48 and 167,011.06 is: 230,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,499.40 : 260,042.48 = 167,011.06 : x
  2. Step 2: Convert to fraction form
    188,499.40/260,042.48 = 167,011.06/x
  3. Step 3: Cross multiply
    188,499.40x = 260,042.48 × 167,011.06
  4. Step 4: Simplify right side
    188,499.40x = 43,429,968,744.67
  5. Step 5: Solve for x
    x = 43,429,968,744.67/188,499.40
  6. Step 6: Final answer
    x = 230,398.45

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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.