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Finding the Fourth Proportional to 102,601.60, 153,657.60 and 49,841.60

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Solution

The fourth proportional to 102,601.60, 153,657.60 and 49,841.60 is: 74,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,601.60 : 153,657.60 = 49,841.60 : x
  2. Step 2: Convert to fraction form
    102,601.60/153,657.60 = 49,841.60/x
  3. Step 3: Cross multiply
    102,601.60x = 153,657.60 × 49,841.60
  4. Step 4: Simplify right side
    102,601.60x = 7,658,540,636.16
  5. Step 5: Solve for x
    x = 7,658,540,636.16/102,601.60
  6. Step 6: Final answer
    x = 74,643.48

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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.