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Finding the Fourth Proportional to 157,999.01, 217,994.69 and 94,313.57

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Solution

The fourth proportional to 157,999.01, 217,994.69 and 94,313.57 is: 130,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,999.01 : 217,994.69 = 94,313.57 : x
  2. Step 2: Convert to fraction form
    157,999.01/217,994.69 = 94,313.57/x
  3. Step 3: Cross multiply
    157,999.01x = 217,994.69 × 94,313.57
  4. Step 4: Simplify right side
    157,999.01x = 20,559,856,600.75
  5. Step 5: Solve for x
    x = 20,559,856,600.75/157,999.01
  6. Step 6: Final answer
    x = 130,126.49

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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.