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Finding the Fourth Proportional to 157,599.08, 217,485.70 and 89,616.06

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Solution

The fourth proportional to 157,599.08, 217,485.70 and 89,616.06 is: 123,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,599.08 : 217,485.70 = 89,616.06 : x
  2. Step 2: Convert to fraction form
    157,599.08/217,485.70 = 89,616.06/x
  3. Step 3: Cross multiply
    157,599.08x = 217,485.70 × 89,616.06
  4. Step 4: Simplify right side
    157,599.08x = 19,490,211,540.34
  5. Step 5: Solve for x
    x = 19,490,211,540.34/157,599.08
  6. Step 6: Final answer
    x = 123,669.58

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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.