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Finding the Fourth Proportional to 53,152,090.80, 74,463,315.60 and 53,152,090.80

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Solution

The fourth proportional to 53,152,090.80, 74,463,315.60 and 53,152,090.80 is: 74,463,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152,090.80 : 74,463,315.60 = 53,152,090.80 : x
  2. Step 2: Convert to fraction form
    53,152,090.80/74,463,315.60 = 53,152,090.80/x
  3. Step 3: Cross multiply
    53,152,090.80x = 74,463,315.60 × 53,152,090.80
  4. Step 4: Simplify right side
    53,152,090.80x = 3,957,880,912,040,256
  5. Step 5: Solve for x
    x = 3,957,880,912,040,256/53,152,090.80
  6. Step 6: Final answer
    x = 74,463,315.60

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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.