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Finding the Fourth Proportional to 173,911.10, 260,521.05 and 99,952.70

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Solution

The fourth proportional to 173,911.10, 260,521.05 and 99,952.70 is: 149,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,911.10 : 260,521.05 = 99,952.70 : x
  2. Step 2: Convert to fraction form
    173,911.10/260,521.05 = 99,952.70/x
  3. Step 3: Cross multiply
    173,911.10x = 260,521.05 × 99,952.70
  4. Step 4: Simplify right side
    173,911.10x = 26,039,782,354.34
  5. Step 5: Solve for x
    x = 26,039,782,354.34/173,911.10
  6. Step 6: Final answer
    x = 149,730.42

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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.