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Finding the Fourth Proportional to 103,009.68, 154,514.52 and 56,237.04

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Solution

The fourth proportional to 103,009.68, 154,514.52 and 56,237.04 is: 84,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,009.68 : 154,514.52 = 56,237.04 : x
  2. Step 2: Convert to fraction form
    103,009.68/154,514.52 = 56,237.04/x
  3. Step 3: Cross multiply
    103,009.68x = 154,514.52 × 56,237.04
  4. Step 4: Simplify right side
    103,009.68x = 8,689,439,241.82
  5. Step 5: Solve for x
    x = 8,689,439,241.82/103,009.68
  6. Step 6: Final answer
    x = 84,355.56

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1.5x scale

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.