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Finding the Fourth Proportional to 104,685.46, 144,467.30 and 59,362.44

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Solution

The fourth proportional to 104,685.46, 144,467.30 and 59,362.44 is: 81,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,685.46 : 144,467.30 = 59,362.44 : x
  2. Step 2: Convert to fraction form
    104,685.46/144,467.30 = 59,362.44/x
  3. Step 3: Cross multiply
    104,685.46x = 144,467.30 × 59,362.44
  4. Step 4: Simplify right side
    104,685.46x = 8,575,931,428.21
  5. Step 5: Solve for x
    x = 8,575,931,428.21/104,685.46
  6. Step 6: Final answer
    x = 81,920.94

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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.