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Finding the Fourth Proportional to 96,646,978.04, 133,372,851.48 and 53,186,914.04

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Solution

The fourth proportional to 96,646,978.04, 133,372,851.48 and 53,186,914.04 is: 73,397,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,646,978.04 : 133,372,851.48 = 53,186,914.04 : x
  2. Step 2: Convert to fraction form
    96,646,978.04/133,372,851.48 = 53,186,914.04/x
  3. Step 3: Cross multiply
    96,646,978.04x = 133,372,851.48 × 53,186,914.04
  4. Step 4: Simplify right side
    96,646,978.04x = 7,093,690,386,936,447
  5. Step 5: Solve for x
    x = 7,093,690,386,936,447/96,646,978.04
  6. Step 6: Final answer
    x = 73,397,953.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.