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Finding the Fourth Proportional to 223,792,480.80, 335,734,121.70 and 70,402,861.80

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Solution

The fourth proportional to 223,792,480.80, 335,734,121.70 and 70,402,861.80 is: 105,618,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,792,480.80 : 335,734,121.70 = 70,402,861.80 : x
  2. Step 2: Convert to fraction form
    223,792,480.80/335,734,121.70 = 70,402,861.80/x
  3. Step 3: Cross multiply
    223,792,480.80x = 335,734,121.70 × 70,402,861.80
  4. Step 4: Simplify right side
    223,792,480.80x = 23,636,642,971,589,480
  5. Step 5: Solve for x
    x = 23,636,642,971,589,480/223,792,480.80
  6. Step 6: Final answer
    x = 105,618,575.24

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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.