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Finding the Fourth Proportional to 366,985.77, 550,479.50 and 100,749.93

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Solution

The fourth proportional to 366,985.77, 550,479.50 and 100,749.93 is: 151,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,985.77 : 550,479.50 = 100,749.93 : x
  2. Step 2: Convert to fraction form
    366,985.77/550,479.50 = 100,749.93/x
  3. Step 3: Cross multiply
    366,985.77x = 550,479.50 × 100,749.93
  4. Step 4: Simplify right side
    366,985.77x = 55,460,771,091.44
  5. Step 5: Solve for x
    x = 55,460,771,091.44/366,985.77
  6. Step 6: Final answer
    x = 151,125.13

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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.