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Finding the Fourth Proportional to 89,757,946.80, 134,636,920.20 and 89,757,946.80

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Solution

The fourth proportional to 89,757,946.80, 134,636,920.20 and 89,757,946.80 is: 134,636,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,757,946.80 : 134,636,920.20 = 89,757,946.80 : x
  2. Step 2: Convert to fraction form
    89,757,946.80/134,636,920.20 = 89,757,946.80/x
  3. Step 3: Cross multiply
    89,757,946.80x = 134,636,920.20 × 89,757,946.80
  4. Step 4: Simplify right side
    89,757,946.80x = 12,084,733,520,627,444
  5. Step 5: Solve for x
    x = 12,084,733,520,627,444/89,757,946.80
  6. Step 6: Final answer
    x = 134,636,920.20

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1.5x scale

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.