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Finding the Fourth Proportional to 169,270.76, 253,930.75 and 90,341.93

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Solution

The fourth proportional to 169,270.76, 253,930.75 and 90,341.93 is: 135,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,270.76 : 253,930.75 = 90,341.93 : x
  2. Step 2: Convert to fraction form
    169,270.76/253,930.75 = 90,341.93/x
  3. Step 3: Cross multiply
    169,270.76x = 253,930.75 × 90,341.93
  4. Step 4: Simplify right side
    169,270.76x = 22,940,594,041.35
  5. Step 5: Solve for x
    x = 22,940,594,041.35/169,270.76
  6. Step 6: Final answer
    x = 135,526.03

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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.