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Finding the Fourth Proportional to 101,966,663.08, 152,978,106.30 and 40,598,917.32

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Solution

The fourth proportional to 101,966,663.08, 152,978,106.30 and 40,598,917.32 is: 60,909,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,966,663.08 : 152,978,106.30 = 40,598,917.32 : x
  2. Step 2: Convert to fraction form
    101,966,663.08/152,978,106.30 = 40,598,917.32/x
  3. Step 3: Cross multiply
    101,966,663.08x = 152,978,106.30 × 40,598,917.32
  4. Step 4: Simplify right side
    101,966,663.08x = 6,210,745,489,443,872
  5. Step 5: Solve for x
    x = 6,210,745,489,443,872/101,966,663.08
  6. Step 6: Final answer
    x = 60,909,568.89

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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.