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Finding the Fourth Proportional to 117,589.60, 176,211.60 and 47,346.40

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Solution

The fourth proportional to 117,589.60, 176,211.60 and 47,346.40 is: 70,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589.60 : 176,211.60 = 47,346.40 : x
  2. Step 2: Convert to fraction form
    117,589.60/176,211.60 = 47,346.40/x
  3. Step 3: Cross multiply
    117,589.60x = 176,211.60 × 47,346.40
  4. Step 4: Simplify right side
    117,589.60x = 8,342,984,898.24
  5. Step 5: Solve for x
    x = 8,342,984,898.24/117,589.60
  6. Step 6: Final answer
    x = 70,950.02

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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.