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Finding the Fourth Proportional to 73,153.95, 100,951.24 and 40,889.32

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Solution

The fourth proportional to 73,153.95, 100,951.24 and 40,889.32 is: 56,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,153.95 : 100,951.24 = 40,889.32 : x
  2. Step 2: Convert to fraction form
    73,153.95/100,951.24 = 40,889.32/x
  3. Step 3: Cross multiply
    73,153.95x = 100,951.24 × 40,889.32
  4. Step 4: Simplify right side
    73,153.95x = 4,127,827,556.76
  5. Step 5: Solve for x
    x = 4,127,827,556.76/73,153.95
  6. Step 6: Final answer
    x = 56,426.58

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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.