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Finding the Fourth Proportional to 169,816.88, 254,683.64 and 61,728.56

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Solution

The fourth proportional to 169,816.88, 254,683.64 and 61,728.56 is: 92,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,816.88 : 254,683.64 = 61,728.56 : x
  2. Step 2: Convert to fraction form
    169,816.88/254,683.64 = 61,728.56/x
  3. Step 3: Cross multiply
    169,816.88x = 254,683.64 × 61,728.56
  4. Step 4: Simplify right side
    169,816.88x = 15,721,254,352.76
  5. Step 5: Solve for x
    x = 15,721,254,352.76/169,816.88
  6. Step 6: Final answer
    x = 92,577.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.