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Finding the Fourth Proportional to 245,158.63, 367,737.95 and 87,276.36

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Solution

The fourth proportional to 245,158.63, 367,737.95 and 87,276.36 is: 130,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,158.63 : 367,737.95 = 87,276.36 : x
  2. Step 2: Convert to fraction form
    245,158.63/367,737.95 = 87,276.36/x
  3. Step 3: Cross multiply
    245,158.63x = 367,737.95 × 87,276.36
  4. Step 4: Simplify right side
    245,158.63x = 32,094,829,928.05
  5. Step 5: Solve for x
    x = 32,094,829,928.05/245,158.63
  6. Step 6: Final answer
    x = 130,914.54

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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.