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Finding the Fourth Proportional to 183,789.80, 257,830.60 and 183,789.80

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Solution

The fourth proportional to 183,789.80, 257,830.60 and 183,789.80 is: 257,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,789.80 : 257,830.60 = 183,789.80 : x
  2. Step 2: Convert to fraction form
    183,789.80/257,830.60 = 183,789.80/x
  3. Step 3: Cross multiply
    183,789.80x = 257,830.60 × 183,789.80
  4. Step 4: Simplify right side
    183,789.80x = 47,386,634,407.88
  5. Step 5: Solve for x
    x = 47,386,634,407.88/183,789.80
  6. Step 6: Final answer
    x = 257,830.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.