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Finding the Fourth Proportional to 104,348.24, 143,775.24 and 70,755.92

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Solution

The fourth proportional to 104,348.24, 143,775.24 and 70,755.92 is: 97,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,348.24 : 143,775.24 = 70,755.92 : x
  2. Step 2: Convert to fraction form
    104,348.24/143,775.24 = 70,755.92/x
  3. Step 3: Cross multiply
    104,348.24x = 143,775.24 × 70,755.92
  4. Step 4: Simplify right side
    104,348.24x = 10,172,949,379.42
  5. Step 5: Solve for x
    x = 10,172,949,379.42/104,348.24
  6. Step 6: Final answer
    x = 97,490.38

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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.