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Finding the Fourth Proportional to 152,243.71, 228,303.11 and 45,590.09

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Solution

The fourth proportional to 152,243.71, 228,303.11 and 45,590.09 is: 68,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,243.71 : 228,303.11 = 45,590.09 : x
  2. Step 2: Convert to fraction form
    152,243.71/228,303.11 = 45,590.09/x
  3. Step 3: Cross multiply
    152,243.71x = 228,303.11 × 45,590.09
  4. Step 4: Simplify right side
    152,243.71x = 10,408,360,016.91
  5. Step 5: Solve for x
    x = 10,408,360,016.91/152,243.71
  6. Step 6: Final answer
    x = 68,366.44

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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.