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Finding the Fourth Proportional to 70,201,883.01, 105,097,924.48 and 40,966,132.62

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Solution

The fourth proportional to 70,201,883.01, 105,097,924.48 and 40,966,132.62 is: 61,329,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,201,883.01 : 105,097,924.48 = 40,966,132.62 : x
  2. Step 2: Convert to fraction form
    70,201,883.01/105,097,924.48 = 40,966,132.62/x
  3. Step 3: Cross multiply
    70,201,883.01x = 105,097,924.48 × 40,966,132.62
  4. Step 4: Simplify right side
    70,201,883.01x = 4,305,455,512,703,142.50
  5. Step 5: Solve for x
    x = 4,305,455,512,703,142.50/70,201,883.01
  6. Step 6: Final answer
    x = 61,329,630.03

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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.