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Finding the Fourth Proportional to 173,411.60, 260,117.40 and 164,226.20

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Solution

The fourth proportional to 173,411.60, 260,117.40 and 164,226.20 is: 246,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,411.60 : 260,117.40 = 164,226.20 : x
  2. Step 2: Convert to fraction form
    173,411.60/260,117.40 = 164,226.20/x
  3. Step 3: Cross multiply
    173,411.60x = 260,117.40 × 164,226.20
  4. Step 4: Simplify right side
    173,411.60x = 42,718,092,155.88
  5. Step 5: Solve for x
    x = 42,718,092,155.88/173,411.60
  6. Step 6: Final answer
    x = 246,339.30

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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.