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Finding the Fourth Proportional to 157,224.96, 217,101.06 and 145,828.32

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Solution

The fourth proportional to 157,224.96, 217,101.06 and 145,828.32 is: 201,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,224.96 : 217,101.06 = 145,828.32 : x
  2. Step 2: Convert to fraction form
    157,224.96/217,101.06 = 145,828.32/x
  3. Step 3: Cross multiply
    157,224.96x = 217,101.06 × 145,828.32
  4. Step 4: Simplify right side
    157,224.96x = 31,659,482,850.02
  5. Step 5: Solve for x
    x = 31,659,482,850.02/157,224.96
  6. Step 6: Final answer
    x = 201,364.23

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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.