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Finding the Fourth Proportional to 173,612.70, 260,433.45 and 55,280.70

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Solution

The fourth proportional to 173,612.70, 260,433.45 and 55,280.70 is: 82,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,612.70 : 260,433.45 = 55,280.70 : x
  2. Step 2: Convert to fraction form
    173,612.70/260,433.45 = 55,280.70/x
  3. Step 3: Cross multiply
    173,612.70x = 260,433.45 × 55,280.70
  4. Step 4: Simplify right side
    173,612.70x = 14,396,943,419.42
  5. Step 5: Solve for x
    x = 14,396,943,419.42/173,612.70
  6. Step 6: Final answer
    x = 82,925.64

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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.