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Finding the Fourth Proportional to 146,818.76, 202,604.47 and 79,749.32

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Solution

The fourth proportional to 146,818.76, 202,604.47 and 79,749.32 is: 110,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,818.76 : 202,604.47 = 79,749.32 : x
  2. Step 2: Convert to fraction form
    146,818.76/202,604.47 = 79,749.32/x
  3. Step 3: Cross multiply
    146,818.76x = 202,604.47 × 79,749.32
  4. Step 4: Simplify right side
    146,818.76x = 16,157,567,499.06
  5. Step 5: Solve for x
    x = 16,157,567,499.06/146,818.76
  6. Step 6: Final answer
    x = 110,051.11

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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.