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Finding the Fourth Proportional to 176,355.77, 243,339.30 and 104,753.39

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Solution

The fourth proportional to 176,355.77, 243,339.30 and 104,753.39 is: 144,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,355.77 : 243,339.30 = 104,753.39 : x
  2. Step 2: Convert to fraction form
    176,355.77/243,339.30 = 104,753.39/x
  3. Step 3: Cross multiply
    176,355.77x = 243,339.30 × 104,753.39
  4. Step 4: Simplify right side
    176,355.77x = 25,490,615,378.53
  5. Step 5: Solve for x
    x = 25,490,615,378.53/176,355.77
  6. Step 6: Final answer
    x = 144,540.87

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1.5x scale

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.