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Finding the Fourth Proportional to 176,722.80, 264,646.80 and 113,445.60

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Solution

The fourth proportional to 176,722.80, 264,646.80 and 113,445.60 is: 169,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,722.80 : 264,646.80 = 113,445.60 : x
  2. Step 2: Convert to fraction form
    176,722.80/264,646.80 = 113,445.60/x
  3. Step 3: Cross multiply
    176,722.80x = 264,646.80 × 113,445.60
  4. Step 4: Simplify right side
    176,722.80x = 30,023,015,014.08
  5. Step 5: Solve for x
    x = 30,023,015,014.08/176,722.80
  6. Step 6: Final answer
    x = 169,887.62

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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.