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Finding the Fourth Proportional to 141,706,835.20, 212,224,329.60 and 141,706,835.20

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Solution

The fourth proportional to 141,706,835.20, 212,224,329.60 and 141,706,835.20 is: 212,224,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,706,835.20 : 212,224,329.60 = 141,706,835.20 : x
  2. Step 2: Convert to fraction form
    141,706,835.20/212,224,329.60 = 141,706,835.20/x
  3. Step 3: Cross multiply
    141,706,835.20x = 212,224,329.60 × 141,706,835.20
  4. Step 4: Simplify right side
    141,706,835.20x = 30,073,638,100,057,680
  5. Step 5: Solve for x
    x = 30,073,638,100,057,680/141,706,835.20
  6. Step 6: Final answer
    x = 212,224,329.60

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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.