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Finding the Fourth Proportional to 161,558.88, 222,953.44 and 88,970.40

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Solution

The fourth proportional to 161,558.88, 222,953.44 and 88,970.40 is: 122,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,558.88 : 222,953.44 = 88,970.40 : x
  2. Step 2: Convert to fraction form
    161,558.88/222,953.44 = 88,970.40/x
  3. Step 3: Cross multiply
    161,558.88x = 222,953.44 × 88,970.40
  4. Step 4: Simplify right side
    161,558.88x = 19,836,256,738.18
  5. Step 5: Solve for x
    x = 19,836,256,738.18/161,558.88
  6. Step 6: Final answer
    x = 122,780.36

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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.