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Finding the Fourth Proportional to 89,683,946.40, 134,313,343.20 and 89,683,946.40

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Solution

The fourth proportional to 89,683,946.40, 134,313,343.20 and 89,683,946.40 is: 134,313,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,683,946.40 : 134,313,343.20 = 89,683,946.40 : x
  2. Step 2: Convert to fraction form
    89,683,946.40/134,313,343.20 = 89,683,946.40/x
  3. Step 3: Cross multiply
    89,683,946.40x = 134,313,343.20 × 89,683,946.40
  4. Step 4: Simplify right side
    89,683,946.40x = 12,045,750,672,353,604
  5. Step 5: Solve for x
    x = 12,045,750,672,353,604/89,683,946.40
  6. Step 6: Final answer
    x = 134,313,343.20

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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.