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Finding the Fourth Proportional to 290,392.08, 435,495.96 and 93,354

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Solution

The fourth proportional to 290,392.08, 435,495.96 and 93,354 is: 140,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,392.08 : 435,495.96 = 93,354 : x
  2. Step 2: Convert to fraction form
    290,392.08/435,495.96 = 93,354/x
  3. Step 3: Cross multiply
    290,392.08x = 435,495.96 × 93,354
  4. Step 4: Simplify right side
    290,392.08x = 40,655,289,849.84
  5. Step 5: Solve for x
    x = 40,655,289,849.84/290,392.08
  6. Step 6: Final answer
    x = 140,001.37

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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.