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Finding the Fourth Proportional to 188,869.54, 283,304.34 and 64,210.54

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Solution

The fourth proportional to 188,869.54, 283,304.34 and 64,210.54 is: 96,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,869.54 : 283,304.34 = 64,210.54 : x
  2. Step 2: Convert to fraction form
    188,869.54/283,304.34 = 64,210.54/x
  3. Step 3: Cross multiply
    188,869.54x = 283,304.34 × 64,210.54
  4. Step 4: Simplify right side
    188,869.54x = 18,191,124,655.74
  5. Step 5: Solve for x
    x = 18,191,124,655.74/188,869.54
  6. Step 6: Final answer
    x = 96,315.82

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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.