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Finding the Fourth Proportional to 178,630.29, 246,512.59 and 98,065.16

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Solution

The fourth proportional to 178,630.29, 246,512.59 and 98,065.16 is: 135,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,630.29 : 246,512.59 = 98,065.16 : x
  2. Step 2: Convert to fraction form
    178,630.29/246,512.59 = 98,065.16/x
  3. Step 3: Cross multiply
    178,630.29x = 246,512.59 × 98,065.16
  4. Step 4: Simplify right side
    178,630.29x = 24,174,296,580.36
  5. Step 5: Solve for x
    x = 24,174,296,580.36/178,630.29
  6. Step 6: Final answer
    x = 135,331.45

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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.