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Finding the Fourth Proportional to 183,885.17, 253,787.11 and 103,318.92

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Solution

The fourth proportional to 183,885.17, 253,787.11 and 103,318.92 is: 142,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,885.17 : 253,787.11 = 103,318.92 : x
  2. Step 2: Convert to fraction form
    183,885.17/253,787.11 = 103,318.92/x
  3. Step 3: Cross multiply
    183,885.17x = 253,787.11 × 103,318.92
  4. Step 4: Simplify right side
    183,885.17x = 26,221,009,856.82
  5. Step 5: Solve for x
    x = 26,221,009,856.82/183,885.17
  6. Step 6: Final answer
    x = 142,594.48

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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.