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Finding the Fourth Proportional to 173,479.40, 260,219.10 and 48,820.40

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Solution

The fourth proportional to 173,479.40, 260,219.10 and 48,820.40 is: 73,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,479.40 : 260,219.10 = 48,820.40 : x
  2. Step 2: Convert to fraction form
    173,479.40/260,219.10 = 48,820.40/x
  3. Step 3: Cross multiply
    173,479.40x = 260,219.10 × 48,820.40
  4. Step 4: Simplify right side
    173,479.40x = 12,704,000,549.64
  5. Step 5: Solve for x
    x = 12,704,000,549.64/173,479.40
  6. Step 6: Final answer
    x = 73,230.60

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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.