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Finding the Fourth Proportional to 162,890.83, 244,368.80 and 56,278.63

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Solution

The fourth proportional to 162,890.83, 244,368.80 and 56,278.63 is: 84,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,890.83 : 244,368.80 = 56,278.63 : x
  2. Step 2: Convert to fraction form
    162,890.83/244,368.80 = 56,278.63/x
  3. Step 3: Cross multiply
    162,890.83x = 244,368.80 × 56,278.63
  4. Step 4: Simplify right side
    162,890.83x = 13,752,741,513.86
  5. Step 5: Solve for x
    x = 13,752,741,513.86/162,890.83
  6. Step 6: Final answer
    x = 84,429.19

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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.