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Finding the Fourth Proportional to 157,573.44, 217,442.45 and 89,580.96

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Solution

The fourth proportional to 157,573.44, 217,442.45 and 89,580.96 is: 123,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,573.44 : 217,442.45 = 89,580.96 : x
  2. Step 2: Convert to fraction form
    157,573.44/217,442.45 = 89,580.96/x
  3. Step 3: Cross multiply
    157,573.44x = 217,442.45 × 89,580.96
  4. Step 4: Simplify right side
    157,573.44x = 19,478,702,967.85
  5. Step 5: Solve for x
    x = 19,478,702,967.85/157,573.44
  6. Step 6: Final answer
    x = 123,616.66

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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.