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Finding the Fourth Proportional to 501,145.92, 751,718.88 and 122,064.30

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Solution

The fourth proportional to 501,145.92, 751,718.88 and 122,064.30 is: 183,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,145.92 : 751,718.88 = 122,064.30 : x
  2. Step 2: Convert to fraction form
    501,145.92/751,718.88 = 122,064.30/x
  3. Step 3: Cross multiply
    501,145.92x = 751,718.88 × 122,064.30
  4. Step 4: Simplify right side
    501,145.92x = 91,758,038,883.98
  5. Step 5: Solve for x
    x = 91,758,038,883.98/501,145.92
  6. Step 6: Final answer
    x = 183,096.45

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Similar ratio
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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.