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Finding the Fourth Proportional to 152,425.80, 228,201.30 and 148,051.80

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Solution

The fourth proportional to 152,425.80, 228,201.30 and 148,051.80 is: 221,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,425.80 : 228,201.30 = 148,051.80 : x
  2. Step 2: Convert to fraction form
    152,425.80/228,201.30 = 148,051.80/x
  3. Step 3: Cross multiply
    152,425.80x = 228,201.30 × 148,051.80
  4. Step 4: Simplify right side
    152,425.80x = 33,785,613,227.34
  5. Step 5: Solve for x
    x = 33,785,613,227.34/152,425.80
  6. Step 6: Final answer
    x = 221,652.85

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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.