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Finding the Fourth Proportional to 301,053.16, 451,597.02 and 90,669.16

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Solution

The fourth proportional to 301,053.16, 451,597.02 and 90,669.16 is: 136,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,053.16 : 451,597.02 = 90,669.16 : x
  2. Step 2: Convert to fraction form
    301,053.16/451,597.02 = 90,669.16/x
  3. Step 3: Cross multiply
    301,053.16x = 451,597.02 × 90,669.16
  4. Step 4: Simplify right side
    301,053.16x = 40,945,922,461.90
  5. Step 5: Solve for x
    x = 40,945,922,461.90/301,053.16
  6. Step 6: Final answer
    x = 136,008.94

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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.