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Finding the Fourth Proportional to 283,307.75, 424,992.77 and 93,699.06

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Solution

The fourth proportional to 283,307.75, 424,992.77 and 93,699.06 is: 140,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,307.75 : 424,992.77 = 93,699.06 : x
  2. Step 2: Convert to fraction form
    283,307.75/424,992.77 = 93,699.06/x
  3. Step 3: Cross multiply
    283,307.75x = 424,992.77 × 93,699.06
  4. Step 4: Simplify right side
    283,307.75x = 39,821,423,055.80
  5. Step 5: Solve for x
    x = 39,821,423,055.80/283,307.75
  6. Step 6: Final answer
    x = 140,558.89

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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.