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Finding the Fourth Proportional to 174,911.20, 262,885.20 and 152,101.60

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Solution

The fourth proportional to 174,911.20, 262,885.20 and 152,101.60 is: 228,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,911.20 : 262,885.20 = 152,101.60 : x
  2. Step 2: Convert to fraction form
    174,911.20/262,885.20 = 152,101.60/x
  3. Step 3: Cross multiply
    174,911.20x = 262,885.20 × 152,101.60
  4. Step 4: Simplify right side
    174,911.20x = 39,985,259,536.32
  5. Step 5: Solve for x
    x = 39,985,259,536.32/174,911.20
  6. Step 6: Final answer
    x = 228,603.20

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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.