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Finding the Fourth Proportional to 161,608.32, 223,018.56 and 94,538.88

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Solution

The fourth proportional to 161,608.32, 223,018.56 and 94,538.88 is: 130,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,608.32 : 223,018.56 = 94,538.88 : x
  2. Step 2: Convert to fraction form
    161,608.32/223,018.56 = 94,538.88/x
  3. Step 3: Cross multiply
    161,608.32x = 223,018.56 × 94,538.88
  4. Step 4: Simplify right side
    161,608.32x = 21,083,924,881.61
  5. Step 5: Solve for x
    x = 21,083,924,881.61/161,608.32
  6. Step 6: Final answer
    x = 130,463.12

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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.