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Finding the Fourth Proportional to 89,324.80, 122,302.40 and 89,324.80

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Solution

The fourth proportional to 89,324.80, 122,302.40 and 89,324.80 is: 122,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,324.80 : 122,302.40 = 89,324.80 : x
  2. Step 2: Convert to fraction form
    89,324.80/122,302.40 = 89,324.80/x
  3. Step 3: Cross multiply
    89,324.80x = 122,302.40 × 89,324.80
  4. Step 4: Simplify right side
    89,324.80x = 10,924,637,419.52
  5. Step 5: Solve for x
    x = 10,924,637,419.52/89,324.80
  6. Step 6: Final answer
    x = 122,302.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.