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Finding the Fourth Proportional to 152,677.80, 228,579.30 and 148,303.80

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Solution

The fourth proportional to 152,677.80, 228,579.30 and 148,303.80 is: 222,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,677.80 : 228,579.30 = 148,303.80 : x
  2. Step 2: Convert to fraction form
    152,677.80/228,579.30 = 148,303.80/x
  3. Step 3: Cross multiply
    152,677.80x = 228,579.30 × 148,303.80
  4. Step 4: Simplify right side
    152,677.80x = 33,899,178,791.34
  5. Step 5: Solve for x
    x = 33,899,178,791.34/152,677.80
  6. Step 6: Final answer
    x = 222,030.83

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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.