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Finding the Fourth Proportional to 178,016.88, 245,655.44 and 97,447.80

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Solution

The fourth proportional to 178,016.88, 245,655.44 and 97,447.80 is: 134,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,016.88 : 245,655.44 = 97,447.80 : x
  2. Step 2: Convert to fraction form
    178,016.88/245,655.44 = 97,447.80/x
  3. Step 3: Cross multiply
    178,016.88x = 245,655.44 × 97,447.80
  4. Step 4: Simplify right side
    178,016.88x = 23,938,582,186.03
  5. Step 5: Solve for x
    x = 23,938,582,186.03/178,016.88
  6. Step 6: Final answer
    x = 134,473.66

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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.