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Finding the Fourth Proportional to 104,552.66, 156,749.63 and 53,897.10

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Solution

The fourth proportional to 104,552.66, 156,749.63 and 53,897.10 is: 80,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,552.66 : 156,749.63 = 53,897.10 : x
  2. Step 2: Convert to fraction form
    104,552.66/156,749.63 = 53,897.10/x
  3. Step 3: Cross multiply
    104,552.66x = 156,749.63 × 53,897.10
  4. Step 4: Simplify right side
    104,552.66x = 8,448,350,483.07
  5. Step 5: Solve for x
    x = 8,448,350,483.07/104,552.66
  6. Step 6: Final answer
    x = 80,804.74

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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.