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Finding the Fourth Proportional to 249,842.67, 374,709.73 and 79,077.66

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Solution

The fourth proportional to 249,842.67, 374,709.73 and 79,077.66 is: 118,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,842.67 : 374,709.73 = 79,077.66 : x
  2. Step 2: Convert to fraction form
    249,842.67/374,709.73 = 79,077.66/x
  3. Step 3: Cross multiply
    249,842.67x = 374,709.73 × 79,077.66
  4. Step 4: Simplify right side
    249,842.67x = 29,631,168,627.63
  5. Step 5: Solve for x
    x = 29,631,168,627.63/249,842.67
  6. Step 6: Final answer
    x = 118,599.31

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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.