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Finding the Fourth Proportional to 178,637.31, 246,510.44 and 106,043.31

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Solution

The fourth proportional to 178,637.31, 246,510.44 and 106,043.31 is: 146,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,637.31 : 246,510.44 = 106,043.31 : x
  2. Step 2: Convert to fraction form
    178,637.31/246,510.44 = 106,043.31/x
  3. Step 3: Cross multiply
    178,637.31x = 246,510.44 × 106,043.31
  4. Step 4: Simplify right side
    178,637.31x = 26,140,781,950.19
  5. Step 5: Solve for x
    x = 26,140,781,950.19/178,637.31
  6. Step 6: Final answer
    x = 146,334.39

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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.