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Finding the Fourth Proportional to 164,097.60, 246,146.40 and 138,728.40

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Solution

The fourth proportional to 164,097.60, 246,146.40 and 138,728.40 is: 208,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,097.60 : 246,146.40 = 138,728.40 : x
  2. Step 2: Convert to fraction form
    164,097.60/246,146.40 = 138,728.40/x
  3. Step 3: Cross multiply
    164,097.60x = 246,146.40 × 138,728.40
  4. Step 4: Simplify right side
    164,097.60x = 34,147,496,237.76
  5. Step 5: Solve for x
    x = 34,147,496,237.76/164,097.60
  6. Step 6: Final answer
    x = 208,092.60

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1.5x scale

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.