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Finding the Fourth Proportional to 173,813.60, 260,477.40 and 138,335.60

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Solution

The fourth proportional to 173,813.60, 260,477.40 and 138,335.60 is: 207,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,813.60 : 260,477.40 = 138,335.60 : x
  2. Step 2: Convert to fraction form
    173,813.60/260,477.40 = 138,335.60/x
  3. Step 3: Cross multiply
    173,813.60x = 260,477.40 × 138,335.60
  4. Step 4: Simplify right side
    173,813.60x = 36,033,297,415.44
  5. Step 5: Solve for x
    x = 36,033,297,415.44/173,813.60
  6. Step 6: Final answer
    x = 207,310.00

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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.