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Finding the Fourth Proportional to 223,632,532.80, 335,249,344.80 and 87,286,204.80

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Solution

The fourth proportional to 223,632,532.80, 335,249,344.80 and 87,286,204.80 is: 130,851,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,632,532.80 : 335,249,344.80 = 87,286,204.80 : x
  2. Step 2: Convert to fraction form
    223,632,532.80/335,249,344.80 = 87,286,204.80/x
  3. Step 3: Cross multiply
    223,632,532.80x = 335,249,344.80 × 87,286,204.80
  4. Step 4: Simplify right side
    223,632,532.80x = 29,262,642,969,278,616
  5. Step 5: Solve for x
    x = 29,262,642,969,278,616/223,632,532.80
  6. Step 6: Final answer
    x = 130,851,457.98

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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.