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Finding the Fourth Proportional to 53,434,666.90, 74,959,699.10 and 53,434,666.90

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Solution

The fourth proportional to 53,434,666.90, 74,959,699.10 and 53,434,666.90 is: 74,959,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434,666.90 : 74,959,699.10 = 53,434,666.90 : x
  2. Step 2: Convert to fraction form
    53,434,666.90/74,959,699.10 = 53,434,666.90/x
  3. Step 3: Cross multiply
    53,434,666.90x = 74,959,699.10 × 53,434,666.90
  4. Step 4: Simplify right side
    53,434,666.90x = 4,005,446,552,332,729.50
  5. Step 5: Solve for x
    x = 4,005,446,552,332,729.50/53,434,666.90
  6. Step 6: Final answer
    x = 74,959,699.10

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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.