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Finding the Fourth Proportional to 104,070.71, 156,106.07 and 25,184.94

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Solution

The fourth proportional to 104,070.71, 156,106.07 and 25,184.94 is: 37,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,070.71 : 156,106.07 = 25,184.94 : x
  2. Step 2: Convert to fraction form
    104,070.71/156,106.07 = 25,184.94/x
  3. Step 3: Cross multiply
    104,070.71x = 156,106.07 × 25,184.94
  4. Step 4: Simplify right side
    104,070.71x = 3,931,521,880.66
  5. Step 5: Solve for x
    x = 3,931,521,880.66/104,070.71
  6. Step 6: Final answer
    x = 37,777.41

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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.