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Finding the Fourth Proportional to 178,059.12, 245,722.30 and 97,494.12

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Solution

The fourth proportional to 178,059.12, 245,722.30 and 97,494.12 is: 134,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,059.12 : 245,722.30 = 97,494.12 : x
  2. Step 2: Convert to fraction form
    178,059.12/245,722.30 = 97,494.12/x
  3. Step 3: Cross multiply
    178,059.12x = 245,722.30 × 97,494.12
  4. Step 4: Simplify right side
    178,059.12x = 23,956,479,402.88
  5. Step 5: Solve for x
    x = 23,956,479,402.88/178,059.12
  6. Step 6: Final answer
    x = 134,542.28

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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.