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Finding the Fourth Proportional to 172,574.08, 258,923.40 and 60,270.82

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Solution

The fourth proportional to 172,574.08, 258,923.40 and 60,270.82 is: 90,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,574.08 : 258,923.40 = 60,270.82 : x
  2. Step 2: Convert to fraction form
    172,574.08/258,923.40 = 60,270.82/x
  3. Step 3: Cross multiply
    172,574.08x = 258,923.40 × 60,270.82
  4. Step 4: Simplify right side
    172,574.08x = 15,605,525,635.19
  5. Step 5: Solve for x
    x = 15,605,525,635.19/172,574.08
  6. Step 6: Final answer
    x = 90,427.98

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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.