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Finding the Fourth Proportional to 172,192.32, 258,303.36 and 47,533.32

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Solution

The fourth proportional to 172,192.32, 258,303.36 and 47,533.32 is: 71,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,192.32 : 258,303.36 = 47,533.32 : x
  2. Step 2: Convert to fraction form
    172,192.32/258,303.36 = 47,533.32/x
  3. Step 3: Cross multiply
    172,192.32x = 258,303.36 × 47,533.32
  4. Step 4: Simplify right side
    172,192.32x = 12,278,016,267.96
  5. Step 5: Solve for x
    x = 12,278,016,267.96/172,192.32
  6. Step 6: Final answer
    x = 71,304.09

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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.