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Finding the Fourth Proportional to 104,293.34, 143,923.47 and 56,546.54

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Solution

The fourth proportional to 104,293.34, 143,923.47 and 56,546.54 is: 78,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,293.34 : 143,923.47 = 56,546.54 : x
  2. Step 2: Convert to fraction form
    104,293.34/143,923.47 = 56,546.54/x
  3. Step 3: Cross multiply
    104,293.34x = 143,923.47 × 56,546.54
  4. Step 4: Simplify right side
    104,293.34x = 8,138,374,253.29
  5. Step 5: Solve for x
    x = 8,138,374,253.29/104,293.34
  6. Step 6: Final answer
    x = 78,033.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.