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Finding the Fourth Proportional to 89,725,632.80, 134,588,449.20 and 89,725,632.80

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Solution

The fourth proportional to 89,725,632.80, 134,588,449.20 and 89,725,632.80 is: 134,588,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,725,632.80 : 134,588,449.20 = 89,725,632.80 : x
  2. Step 2: Convert to fraction form
    89,725,632.80/134,588,449.20 = 89,725,632.80/x
  3. Step 3: Cross multiply
    89,725,632.80x = 134,588,449.20 × 89,725,632.80
  4. Step 4: Simplify right side
    89,725,632.80x = 12,076,033,772,040,652
  5. Step 5: Solve for x
    x = 12,076,033,772,040,652/89,725,632.80
  6. Step 6: Final answer
    x = 134,588,449.20

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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.