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Finding the Fourth Proportional to 101,890.48, 152,669.70 and 62,364.64

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Solution

The fourth proportional to 101,890.48, 152,669.70 and 62,364.64 is: 93,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,890.48 : 152,669.70 = 62,364.64 : x
  2. Step 2: Convert to fraction form
    101,890.48/152,669.70 = 62,364.64/x
  3. Step 3: Cross multiply
    101,890.48x = 152,669.70 × 62,364.64
  4. Step 4: Simplify right side
    101,890.48x = 9,521,190,879.41
  5. Step 5: Solve for x
    x = 9,521,190,879.41/101,890.48
  6. Step 6: Final answer
    x = 93,445.34

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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.