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Finding the Fourth Proportional to 78,350.49, 117,545.18 and 22,946.49

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Solution

The fourth proportional to 78,350.49, 117,545.18 and 22,946.49 is: 34,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,350.49 : 117,545.18 = 22,946.49 : x
  2. Step 2: Convert to fraction form
    78,350.49/117,545.18 = 22,946.49/x
  3. Step 3: Cross multiply
    78,350.49x = 117,545.18 × 22,946.49
  4. Step 4: Simplify right side
    78,350.49x = 2,697,249,182.69
  5. Step 5: Solve for x
    x = 2,697,249,182.69/78,350.49
  6. Step 6: Final answer
    x = 34,425.43

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1.5x scale

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.