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Finding the Fourth Proportional to 173,398.80, 260,184.60 and 98,576.40

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Solution

The fourth proportional to 173,398.80, 260,184.60 and 98,576.40 is: 147,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,398.80 : 260,184.60 = 98,576.40 : x
  2. Step 2: Convert to fraction form
    173,398.80/260,184.60 = 98,576.40/x
  3. Step 3: Cross multiply
    173,398.80x = 260,184.60 × 98,576.40
  4. Step 4: Simplify right side
    173,398.80x = 25,648,061,203.44
  5. Step 5: Solve for x
    x = 25,648,061,203.44/173,398.80
  6. Step 6: Final answer
    x = 147,913.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.