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Finding the Fourth Proportional to 172,577.37, 258,941.46 and 60,338.19

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Solution

The fourth proportional to 172,577.37, 258,941.46 and 60,338.19 is: 90,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,577.37 : 258,941.46 = 60,338.19 : x
  2. Step 2: Convert to fraction form
    172,577.37/258,941.46 = 60,338.19/x
  3. Step 3: Cross multiply
    172,577.37x = 258,941.46 × 60,338.19
  4. Step 4: Simplify right side
    172,577.37x = 15,624,059,012.36
  5. Step 5: Solve for x
    x = 15,624,059,012.36/172,577.37
  6. Step 6: Final answer
    x = 90,533.65

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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.