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Finding the Fourth Proportional to 155,080.92, 214,092.95 and 104,360.34

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Solution

The fourth proportional to 155,080.92, 214,092.95 and 104,360.34 is: 144,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,080.92 : 214,092.95 = 104,360.34 : x
  2. Step 2: Convert to fraction form
    155,080.92/214,092.95 = 104,360.34/x
  3. Step 3: Cross multiply
    155,080.92x = 214,092.95 × 104,360.34
  4. Step 4: Simplify right side
    155,080.92x = 22,342,812,531.80
  5. Step 5: Solve for x
    x = 22,342,812,531.80/155,080.92
  6. Step 6: Final answer
    x = 144,071.96

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1.5x scale

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.