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Finding the Fourth Proportional to 98,650.52, 136,137.53 and 53,328.53

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Solution

The fourth proportional to 98,650.52, 136,137.53 and 53,328.53 is: 73,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,650.52 : 136,137.53 = 53,328.53 : x
  2. Step 2: Convert to fraction form
    98,650.52/136,137.53 = 53,328.53/x
  3. Step 3: Cross multiply
    98,650.52x = 136,137.53 × 53,328.53
  4. Step 4: Simplify right side
    98,650.52x = 7,260,013,405.40
  5. Step 5: Solve for x
    x = 7,260,013,405.40/98,650.52
  6. Step 6: Final answer
    x = 73,593.26

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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.