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Finding the Fourth Proportional to 117,744.52, 176,230.68 and 64,354.72

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Solution

The fourth proportional to 117,744.52, 176,230.68 and 64,354.72 is: 96,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,744.52 : 176,230.68 = 64,354.72 : x
  2. Step 2: Convert to fraction form
    117,744.52/176,230.68 = 64,354.72/x
  3. Step 3: Cross multiply
    117,744.52x = 176,230.68 × 64,354.72
  4. Step 4: Simplify right side
    117,744.52x = 11,341,276,066.81
  5. Step 5: Solve for x
    x = 11,341,276,066.81/117,744.52
  6. Step 6: Final answer
    x = 96,321.05

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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.