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Finding the Fourth Proportional to 237,069.64, 355,639.83 and 87,298.41

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Solution

The fourth proportional to 237,069.64, 355,639.83 and 87,298.41 is: 130,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,069.64 : 355,639.83 = 87,298.41 : x
  2. Step 2: Convert to fraction form
    237,069.64/355,639.83 = 87,298.41/x
  3. Step 3: Cross multiply
    237,069.64x = 355,639.83 × 87,298.41
  4. Step 4: Simplify right side
    237,069.64x = 31,046,791,691.67
  5. Step 5: Solve for x
    x = 31,046,791,691.67/237,069.64
  6. Step 6: Final answer
    x = 130,960.64

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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.