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Finding the Fourth Proportional to 203,280.86, 304,921.95 and 51,477.85

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Solution

The fourth proportional to 203,280.86, 304,921.95 and 51,477.85 is: 77,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,280.86 : 304,921.95 = 51,477.85 : x
  2. Step 2: Convert to fraction form
    203,280.86/304,921.95 = 51,477.85/x
  3. Step 3: Cross multiply
    203,280.86x = 304,921.95 × 51,477.85
  4. Step 4: Simplify right side
    203,280.86x = 15,696,725,641.50
  5. Step 5: Solve for x
    x = 15,696,725,641.50/203,280.86
  6. Step 6: Final answer
    x = 77,216.94

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1.5x scale

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.