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Finding the Fourth Proportional to 147,569.34, 203,648.04 and 80,501.34

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Solution

The fourth proportional to 147,569.34, 203,648.04 and 80,501.34 is: 111,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,569.34 : 203,648.04 = 80,501.34 : x
  2. Step 2: Convert to fraction form
    147,569.34/203,648.04 = 80,501.34/x
  3. Step 3: Cross multiply
    147,569.34x = 203,648.04 × 80,501.34
  4. Step 4: Simplify right side
    147,569.34x = 16,393,940,108.37
  5. Step 5: Solve for x
    x = 16,393,940,108.37/147,569.34
  6. Step 6: Final answer
    x = 111,093.13

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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.