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Finding the Fourth Proportional to 100,242,389.88, 150,363,713.88 and 27,459,810.72

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Solution

The fourth proportional to 100,242,389.88, 150,363,713.88 and 27,459,810.72 is: 41,189,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,242,389.88 : 150,363,713.88 = 27,459,810.72 : x
  2. Step 2: Convert to fraction form
    100,242,389.88/150,363,713.88 = 27,459,810.72/x
  3. Step 3: Cross multiply
    100,242,389.88x = 150,363,713.88 × 27,459,810.72
  4. Step 4: Simplify right side
    100,242,389.88x = 4,128,959,122,301,036.50
  5. Step 5: Solve for x
    x = 4,128,959,122,301,036.50/100,242,389.88
  6. Step 6: Final answer
    x = 41,189,751.43

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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.