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Finding the Fourth Proportional to 113,377,420.80, 159,030,720 and 113,377,420.80

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Solution

The fourth proportional to 113,377,420.80, 159,030,720 and 113,377,420.80 is: 159,030,720

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,377,420.80 : 159,030,720 = 113,377,420.80 : x
  2. Step 2: Convert to fraction form
    113,377,420.80/159,030,720 = 113,377,420.80/x
  3. Step 3: Cross multiply
    113,377,420.80x = 159,030,720 × 113,377,420.80
  4. Step 4: Simplify right side
    113,377,420.80x = 18,030,492,861,566,976
  5. Step 5: Solve for x
    x = 18,030,492,861,566,976/113,377,420.80
  6. Step 6: Final answer
    x = 159,030,720

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.