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Finding the Fourth Proportional to 73,750.07, 101,774.90 and 40,216.07

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Solution

The fourth proportional to 73,750.07, 101,774.90 and 40,216.07 is: 55,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,750.07 : 101,774.90 = 40,216.07 : x
  2. Step 2: Convert to fraction form
    73,750.07/101,774.90 = 40,216.07/x
  3. Step 3: Cross multiply
    73,750.07x = 101,774.90 × 40,216.07
  4. Step 4: Simplify right side
    73,750.07x = 4,092,985,993.77
  5. Step 5: Solve for x
    x = 4,092,985,993.77/73,750.07
  6. Step 6: Final answer
    x = 55,498.07

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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.