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Finding the Fourth Proportional to 73,340.10, 101,205.86 and 45,040.32

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Solution

The fourth proportional to 73,340.10, 101,205.86 and 45,040.32 is: 62,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,340.10 : 101,205.86 = 45,040.32 : x
  2. Step 2: Convert to fraction form
    73,340.10/101,205.86 = 45,040.32/x
  3. Step 3: Cross multiply
    73,340.10x = 101,205.86 × 45,040.32
  4. Step 4: Simplify right side
    73,340.10x = 4,558,344,095.07
  5. Step 5: Solve for x
    x = 4,558,344,095.07/73,340.10
  6. Step 6: Final answer
    x = 62,153.50

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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.