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Finding the Fourth Proportional to 96,834.80, 145,303.80 and 37,672.40

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Solution

The fourth proportional to 96,834.80, 145,303.80 and 37,672.40 is: 56,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,834.80 : 145,303.80 = 37,672.40 : x
  2. Step 2: Convert to fraction form
    96,834.80/145,303.80 = 37,672.40/x
  3. Step 3: Cross multiply
    96,834.80x = 145,303.80 × 37,672.40
  4. Step 4: Simplify right side
    96,834.80x = 5,473,942,875.12
  5. Step 5: Solve for x
    x = 5,473,942,875.12/96,834.80
  6. Step 6: Final answer
    x = 56,528.67

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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.