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Finding the Fourth Proportional to 109,755.70, 151,462.54 and 62,009.03

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Solution

The fourth proportional to 109,755.70, 151,462.54 and 62,009.03 is: 85,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,755.70 : 151,462.54 = 62,009.03 : x
  2. Step 2: Convert to fraction form
    109,755.70/151,462.54 = 62,009.03/x
  3. Step 3: Cross multiply
    109,755.70x = 151,462.54 × 62,009.03
  4. Step 4: Simplify right side
    109,755.70x = 9,392,045,186.74
  5. Step 5: Solve for x
    x = 9,392,045,186.74/109,755.70
  6. Step 6: Final answer
    x = 85,572.28

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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.