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Finding the Fourth Proportional to 141,697.71, 212,574.60 and 40,496.67

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Solution

The fourth proportional to 141,697.71, 212,574.60 and 40,496.67 is: 60,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,697.71 : 212,574.60 = 40,496.67 : x
  2. Step 2: Convert to fraction form
    141,697.71/212,574.60 = 40,496.67/x
  3. Step 3: Cross multiply
    141,697.71x = 212,574.60 × 40,496.67
  4. Step 4: Simplify right side
    141,697.71x = 8,608,563,426.58
  5. Step 5: Solve for x
    x = 8,608,563,426.58/141,697.71
  6. Step 6: Final answer
    x = 60,753.02

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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.