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Finding the Fourth Proportional to 117,347.60, 176,107.80 and 47,277.20

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Solution

The fourth proportional to 117,347.60, 176,107.80 and 47,277.20 is: 70,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,347.60 : 176,107.80 = 47,277.20 : x
  2. Step 2: Convert to fraction form
    117,347.60/176,107.80 = 47,277.20/x
  3. Step 3: Cross multiply
    117,347.60x = 176,107.80 × 47,277.20
  4. Step 4: Simplify right side
    117,347.60x = 8,325,883,682.16
  5. Step 5: Solve for x
    x = 8,325,883,682.16/117,347.60
  6. Step 6: Final answer
    x = 70,950.61

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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.