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Finding the Fourth Proportional to 232,460.80, 348,691.20 and 164,554.45

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Solution

The fourth proportional to 232,460.80, 348,691.20 and 164,554.45 is: 246,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,460.80 : 348,691.20 = 164,554.45 : x
  2. Step 2: Convert to fraction form
    232,460.80/348,691.20 = 164,554.45/x
  3. Step 3: Cross multiply
    232,460.80x = 348,691.20 × 164,554.45
  4. Step 4: Simplify right side
    232,460.80x = 57,378,688,635.84
  5. Step 5: Solve for x
    x = 57,378,688,635.84/232,460.80
  6. Step 6: Final answer
    x = 246,831.68

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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.