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Finding the Fourth Proportional to 155,492.52, 214,645.88 and 104,534.80

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Solution

The fourth proportional to 155,492.52, 214,645.88 and 104,534.80 is: 144,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,492.52 : 214,645.88 = 104,534.80 : x
  2. Step 2: Convert to fraction form
    155,492.52/214,645.88 = 104,534.80/x
  3. Step 3: Cross multiply
    155,492.52x = 214,645.88 × 104,534.80
  4. Step 4: Simplify right side
    155,492.52x = 22,437,964,470.27
  5. Step 5: Solve for x
    x = 22,437,964,470.27/155,492.52
  6. Step 6: Final answer
    x = 144,302.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.