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Finding the Fourth Proportional to 35,422,666.20, 53,133,999.30 and 35,422,666.20

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Solution

The fourth proportional to 35,422,666.20, 53,133,999.30 and 35,422,666.20 is: 53,133,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422,666.20 : 53,133,999.30 = 35,422,666.20 : x
  2. Step 2: Convert to fraction form
    35,422,666.20/53,133,999.30 = 35,422,666.20/x
  3. Step 3: Cross multiply
    35,422,666.20x = 53,133,999.30 × 35,422,666.20
  4. Step 4: Simplify right side
    35,422,666.20x = 1,882,147,921,074,933.75
  5. Step 5: Solve for x
    x = 1,882,147,921,074,933.75/35,422,666.20
  6. Step 6: Final answer
    x = 53,133,999.30

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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.