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Finding the Fourth Proportional to 294,707.88, 442,143.36 and 117,339.39

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Solution

The fourth proportional to 294,707.88, 442,143.36 and 117,339.39 is: 176,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,707.88 : 442,143.36 = 117,339.39 : x
  2. Step 2: Convert to fraction form
    294,707.88/442,143.36 = 117,339.39/x
  3. Step 3: Cross multiply
    294,707.88x = 442,143.36 × 117,339.39
  4. Step 4: Simplify right side
    294,707.88x = 51,880,832,154.95
  5. Step 5: Solve for x
    x = 51,880,832,154.95/294,707.88
  6. Step 6: Final answer
    x = 176,041.55

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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.