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Finding the Fourth Proportional to 188,807.37, 283,042.58 and 70,484.19

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Solution

The fourth proportional to 188,807.37, 283,042.58 and 70,484.19 is: 105,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,807.37 : 283,042.58 = 70,484.19 : x
  2. Step 2: Convert to fraction form
    188,807.37/283,042.58 = 70,484.19/x
  3. Step 3: Cross multiply
    188,807.37x = 283,042.58 × 70,484.19
  4. Step 4: Simplify right side
    188,807.37x = 19,950,026,986.81
  5. Step 5: Solve for x
    x = 19,950,026,986.81/188,807.37
  6. Step 6: Final answer
    x = 105,663.39

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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.