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Finding the Fourth Proportional to 173,221.10, 260,026.05 and 133,952.30

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Solution

The fourth proportional to 173,221.10, 260,026.05 and 133,952.30 is: 201,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,221.10 : 260,026.05 = 133,952.30 : x
  2. Step 2: Convert to fraction form
    173,221.10/260,026.05 = 133,952.30/x
  3. Step 3: Cross multiply
    173,221.10x = 260,026.05 × 133,952.30
  4. Step 4: Simplify right side
    173,221.10x = 34,831,087,457.42
  5. Step 5: Solve for x
    x = 34,831,087,457.42/173,221.10
  6. Step 6: Final answer
    x = 201,078.78

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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.