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Finding the Fourth Proportional to 163,803.38, 245,706.41 and 45,483.93

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Solution

The fourth proportional to 163,803.38, 245,706.41 and 45,483.93 is: 68,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,803.38 : 245,706.41 = 45,483.93 : x
  2. Step 2: Convert to fraction form
    163,803.38/245,706.41 = 45,483.93/x
  3. Step 3: Cross multiply
    163,803.38x = 245,706.41 × 45,483.93
  4. Step 4: Simplify right side
    163,803.38x = 11,175,693,266.70
  5. Step 5: Solve for x
    x = 11,175,693,266.70/163,803.38
  6. Step 6: Final answer
    x = 68,226.27

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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.