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Finding the Fourth Proportional to 89,093.49, 122,949.01 and 53,283.50

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Solution

The fourth proportional to 89,093.49, 122,949.01 and 53,283.50 is: 73,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,093.49 : 122,949.01 = 53,283.50 : x
  2. Step 2: Convert to fraction form
    89,093.49/122,949.01 = 53,283.50/x
  3. Step 3: Cross multiply
    89,093.49x = 122,949.01 × 53,283.50
  4. Step 4: Simplify right side
    89,093.49x = 6,551,153,574.34
  5. Step 5: Solve for x
    x = 6,551,153,574.34/89,093.49
  6. Step 6: Final answer
    x = 73,531.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.