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Finding the Fourth Proportional to 101,992.46, 153,048.62 and 42,823.58

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Solution

The fourth proportional to 101,992.46, 153,048.62 and 42,823.58 is: 64,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992.46 : 153,048.62 = 42,823.58 : x
  2. Step 2: Convert to fraction form
    101,992.46/153,048.62 = 42,823.58/x
  3. Step 3: Cross multiply
    101,992.46x = 153,048.62 × 42,823.58
  4. Step 4: Simplify right side
    101,992.46x = 6,554,089,822.46
  5. Step 5: Solve for x
    x = 6,554,089,822.46/101,992.46
  6. Step 6: Final answer
    x = 64,260.53

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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.