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Finding the Fourth Proportional to 178,064.12, 245,719.14 and 97,476.21

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Solution

The fourth proportional to 178,064.12, 245,719.14 and 97,476.21 is: 134,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,064.12 : 245,719.14 = 97,476.21 : x
  2. Step 2: Convert to fraction form
    178,064.12/245,719.14 = 97,476.21/x
  3. Step 3: Cross multiply
    178,064.12x = 245,719.14 × 97,476.21
  4. Step 4: Simplify right side
    178,064.12x = 23,951,770,491.66
  5. Step 5: Solve for x
    x = 23,951,770,491.66/178,064.12
  6. Step 6: Final answer
    x = 134,512.06

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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.