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Finding the Fourth Proportional to 169,344,939.60, 254,017,409.40 and 112,014,046.80

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Solution

The fourth proportional to 169,344,939.60, 254,017,409.40 and 112,014,046.80 is: 168,021,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,344,939.60 : 254,017,409.40 = 112,014,046.80 : x
  2. Step 2: Convert to fraction form
    169,344,939.60/254,017,409.40 = 112,014,046.80/x
  3. Step 3: Cross multiply
    169,344,939.60x = 254,017,409.40 × 112,014,046.80
  4. Step 4: Simplify right side
    169,344,939.60x = 28,453,517,984,546,360
  5. Step 5: Solve for x
    x = 28,453,517,984,546,360/169,344,939.60
  6. Step 6: Final answer
    x = 168,021,070.20

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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.