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Finding the Fourth Proportional to 181,235.40, 250,003.98 and 168,406.08

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Solution

The fourth proportional to 181,235.40, 250,003.98 and 168,406.08 is: 232,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,235.40 : 250,003.98 = 168,406.08 : x
  2. Step 2: Convert to fraction form
    181,235.40/250,003.98 = 168,406.08/x
  3. Step 3: Cross multiply
    181,235.40x = 250,003.98 × 168,406.08
  4. Step 4: Simplify right side
    181,235.40x = 42,102,190,256.20
  5. Step 5: Solve for x
    x = 42,102,190,256.20/181,235.40
  6. Step 6: Final answer
    x = 232,306.66

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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.