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Finding the Fourth Proportional to 89,614,571.60, 134,421,857.40 and 89,614,571.60

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Solution

The fourth proportional to 89,614,571.60, 134,421,857.40 and 89,614,571.60 is: 134,421,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614,571.60 : 134,421,857.40 = 89,614,571.60 : x
  2. Step 2: Convert to fraction form
    89,614,571.60/134,421,857.40 = 89,614,571.60/x
  3. Step 3: Cross multiply
    89,614,571.60x = 134,421,857.40 × 89,614,571.60
  4. Step 4: Simplify right side
    89,614,571.60x = 12,046,157,164,577,290
  5. Step 5: Solve for x
    x = 12,046,157,164,577,290/89,614,571.60
  6. Step 6: Final answer
    x = 134,421,857.40

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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.