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Finding the Fourth Proportional to 234,693.60, 323,875.40 and 127,263.48

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Solution

The fourth proportional to 234,693.60, 323,875.40 and 127,263.48 is: 175,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,693.60 : 323,875.40 = 127,263.48 : x
  2. Step 2: Convert to fraction form
    234,693.60/323,875.40 = 127,263.48/x
  3. Step 3: Cross multiply
    234,693.60x = 323,875.40 × 127,263.48
  4. Step 4: Simplify right side
    234,693.60x = 41,217,510,490.39
  5. Step 5: Solve for x
    x = 41,217,510,490.39/234,693.60
  6. Step 6: Final answer
    x = 175,622.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.