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Finding the Fourth Proportional to 102,104.04, 140,903.54 and 57,392.04

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Solution

The fourth proportional to 102,104.04, 140,903.54 and 57,392.04 is: 79,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,104.04 : 140,903.54 = 57,392.04 : x
  2. Step 2: Convert to fraction form
    102,104.04/140,903.54 = 57,392.04/x
  3. Step 3: Cross multiply
    102,104.04x = 140,903.54 × 57,392.04
  4. Step 4: Simplify right side
    102,104.04x = 8,086,741,603.82
  5. Step 5: Solve for x
    x = 8,086,741,603.82/102,104.04
  6. Step 6: Final answer
    x = 79,201.00

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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.