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Finding the Fourth Proportional to 178,079.54, 245,749.83 and 97,512.17

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Solution

The fourth proportional to 178,079.54, 245,749.83 and 97,512.17 is: 134,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,079.54 : 245,749.83 = 97,512.17 : x
  2. Step 2: Convert to fraction form
    178,079.54/245,749.83 = 97,512.17/x
  3. Step 3: Cross multiply
    178,079.54x = 245,749.83 × 97,512.17
  4. Step 4: Simplify right side
    178,079.54x = 23,963,599,125.48
  5. Step 5: Solve for x
    x = 23,963,599,125.48/178,079.54
  6. Step 6: Final answer
    x = 134,566.83

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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.