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Finding the Fourth Proportional to 104,248.41, 143,863.03 and 56,501.74

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Solution

The fourth proportional to 104,248.41, 143,863.03 and 56,501.74 is: 77,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,248.41 : 143,863.03 = 56,501.74 : x
  2. Step 2: Convert to fraction form
    104,248.41/143,863.03 = 56,501.74/x
  3. Step 3: Cross multiply
    104,248.41x = 143,863.03 × 56,501.74
  4. Step 4: Simplify right side
    104,248.41x = 8,128,511,516.67
  5. Step 5: Solve for x
    x = 8,128,511,516.67/104,248.41
  6. Step 6: Final answer
    x = 77,972.52

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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.