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Finding the Fourth Proportional to 178,170.57, 245,873.21 and 97,597.17

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Solution

The fourth proportional to 178,170.57, 245,873.21 and 97,597.17 is: 134,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,170.57 : 245,873.21 = 97,597.17 : x
  2. Step 2: Convert to fraction form
    178,170.57/245,873.21 = 97,597.17/x
  3. Step 3: Cross multiply
    178,170.57x = 245,873.21 × 97,597.17
  4. Step 4: Simplify right side
    178,170.57x = 23,996,528,986.83
  5. Step 5: Solve for x
    x = 23,996,528,986.83/178,170.57
  6. Step 6: Final answer
    x = 134,682.90

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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.