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Finding the Fourth Proportional to 173,483.45, 239,458.07 and 100,903.41

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Solution

The fourth proportional to 173,483.45, 239,458.07 and 100,903.41 is: 139,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,483.45 : 239,458.07 = 100,903.41 : x
  2. Step 2: Convert to fraction form
    173,483.45/239,458.07 = 100,903.41/x
  3. Step 3: Cross multiply
    173,483.45x = 239,458.07 × 100,903.41
  4. Step 4: Simplify right side
    173,483.45x = 24,162,135,815.02
  5. Step 5: Solve for x
    x = 24,162,135,815.02/173,483.45
  6. Step 6: Final answer
    x = 139,276.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.