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Finding the Fourth Proportional to 228,663.18, 342,994.95 and 95,470.83

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Solution

The fourth proportional to 228,663.18, 342,994.95 and 95,470.83 is: 143,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,663.18 : 342,994.95 = 95,470.83 : x
  2. Step 2: Convert to fraction form
    228,663.18/342,994.95 = 95,470.83/x
  3. Step 3: Cross multiply
    228,663.18x = 342,994.95 × 95,470.83
  4. Step 4: Simplify right side
    228,663.18x = 32,746,012,562.31
  5. Step 5: Solve for x
    x = 32,746,012,562.31/228,663.18
  6. Step 6: Final answer
    x = 143,206.32

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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.