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Finding the Fourth Proportional to 103,806.88, 143,253.49 and 56,060.22

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Solution

The fourth proportional to 103,806.88, 143,253.49 and 56,060.22 is: 77,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,806.88 : 143,253.49 = 56,060.22 : x
  2. Step 2: Convert to fraction form
    103,806.88/143,253.49 = 56,060.22/x
  3. Step 3: Cross multiply
    103,806.88x = 143,253.49 × 56,060.22
  4. Step 4: Simplify right side
    103,806.88x = 8,030,822,772.44
  5. Step 5: Solve for x
    x = 8,030,822,772.44/103,806.88
  6. Step 6: Final answer
    x = 77,363.11

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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.