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Finding the Fourth Proportional to 187,662.06, 281,244.06 and 98,978.22

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Solution

The fourth proportional to 187,662.06, 281,244.06 and 98,978.22 is: 148,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,662.06 : 281,244.06 = 98,978.22 : x
  2. Step 2: Convert to fraction form
    187,662.06/281,244.06 = 98,978.22/x
  3. Step 3: Cross multiply
    187,662.06x = 281,244.06 × 98,978.22
  4. Step 4: Simplify right side
    187,662.06x = 27,837,036,444.37
  5. Step 5: Solve for x
    x = 27,837,036,444.37/187,662.06
  6. Step 6: Final answer
    x = 148,335.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.