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Finding the Fourth Proportional to 52,824,021.80, 74,087,999.80 and 52,824,021.80

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Solution

The fourth proportional to 52,824,021.80, 74,087,999.80 and 52,824,021.80 is: 74,087,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,824,021.80 : 74,087,999.80 = 52,824,021.80 : x
  2. Step 2: Convert to fraction form
    52,824,021.80/74,087,999.80 = 52,824,021.80/x
  3. Step 3: Cross multiply
    52,824,021.80x = 74,087,999.80 × 52,824,021.80
  4. Step 4: Simplify right side
    52,824,021.80x = 3,913,626,116,553,595.50
  5. Step 5: Solve for x
    x = 3,913,626,116,553,595.50/52,824,021.80
  6. Step 6: Final answer
    x = 74,087,999.80

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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.