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Finding the Fourth Proportional to 169,456.40, 253,783.80 and 147,148.52

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Solution

The fourth proportional to 169,456.40, 253,783.80 and 147,148.52 is: 220,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,456.40 : 253,783.80 = 147,148.52 : x
  2. Step 2: Convert to fraction form
    169,456.40/253,783.80 = 147,148.52/x
  3. Step 3: Cross multiply
    169,456.40x = 253,783.80 × 147,148.52
  4. Step 4: Simplify right side
    169,456.40x = 37,343,910,569.98
  5. Step 5: Solve for x
    x = 37,343,910,569.98/169,456.40
  6. Step 6: Final answer
    x = 220,374.74

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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.