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Finding the Fourth Proportional to 173,508.40, 260,068.20 and 73,651.60

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Solution

The fourth proportional to 173,508.40, 260,068.20 and 73,651.60 is: 110,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,508.40 : 260,068.20 = 73,651.60 : x
  2. Step 2: Convert to fraction form
    173,508.40/260,068.20 = 73,651.60/x
  3. Step 3: Cross multiply
    173,508.40x = 260,068.20 × 73,651.60
  4. Step 4: Simplify right side
    173,508.40x = 19,154,439,039.12
  5. Step 5: Solve for x
    x = 19,154,439,039.12/173,508.40
  6. Step 6: Final answer
    x = 110,394.88

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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.