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Finding the Fourth Proportional to 246,148, 339,684.24 and 132,970.80

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Solution

The fourth proportional to 246,148, 339,684.24 and 132,970.80 is: 183,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,148 : 339,684.24 = 132,970.80 : x
  2. Step 2: Convert to fraction form
    246,148/339,684.24 = 132,970.80/x
  3. Step 3: Cross multiply
    246,148x = 339,684.24 × 132,970.80
  4. Step 4: Simplify right side
    246,148x = 45,168,085,140.19
  5. Step 5: Solve for x
    x = 45,168,085,140.19/246,148
  6. Step 6: Final answer
    x = 183,499.70

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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.