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Finding the Fourth Proportional to 118,240.40, 163,026.56 and 73,450.64

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Solution

The fourth proportional to 118,240.40, 163,026.56 and 73,450.64 is: 101,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,240.40 : 163,026.56 = 73,450.64 : x
  2. Step 2: Convert to fraction form
    118,240.40/163,026.56 = 73,450.64/x
  3. Step 3: Cross multiply
    118,240.40x = 163,026.56 × 73,450.64
  4. Step 4: Simplify right side
    118,240.40x = 11,974,405,169.00
  5. Step 5: Solve for x
    x = 11,974,405,169.00/118,240.40
  6. Step 6: Final answer
    x = 101,271.69

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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.