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Finding the Fourth Proportional to 173,645.80, 260,468.70 and 152,218.60

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Solution

The fourth proportional to 173,645.80, 260,468.70 and 152,218.60 is: 228,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,645.80 : 260,468.70 = 152,218.60 : x
  2. Step 2: Convert to fraction form
    173,645.80/260,468.70 = 152,218.60/x
  3. Step 3: Cross multiply
    173,645.80x = 260,468.70 × 152,218.60
  4. Step 4: Simplify right side
    173,645.80x = 39,648,180,857.82
  5. Step 5: Solve for x
    x = 39,648,180,857.82/173,645.80
  6. Step 6: Final answer
    x = 228,327.90

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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.