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Finding the Fourth Proportional to 178,153.50, 245,844.63 and 106,573.08

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Solution

The fourth proportional to 178,153.50, 245,844.63 and 106,573.08 is: 147,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,153.50 : 245,844.63 = 106,573.08 : x
  2. Step 2: Convert to fraction form
    178,153.50/245,844.63 = 106,573.08/x
  3. Step 3: Cross multiply
    178,153.50x = 245,844.63 × 106,573.08
  4. Step 4: Simplify right side
    178,153.50x = 26,200,419,420.56
  5. Step 5: Solve for x
    x = 26,200,419,420.56/178,153.50
  6. Step 6: Final answer
    x = 147,066.54

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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.