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Finding the Fourth Proportional to 161,748,467.60, 242,622,701.40 and 100,526,464.40

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Solution

The fourth proportional to 161,748,467.60, 242,622,701.40 and 100,526,464.40 is: 150,789,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,748,467.60 : 242,622,701.40 = 100,526,464.40 : x
  2. Step 2: Convert to fraction form
    161,748,467.60/242,622,701.40 = 100,526,464.40/x
  3. Step 3: Cross multiply
    161,748,467.60x = 242,622,701.40 × 100,526,464.40
  4. Step 4: Simplify right side
    161,748,467.60x = 24,390,002,354,918,932
  5. Step 5: Solve for x
    x = 24,390,002,354,918,932/161,748,467.60
  6. Step 6: Final answer
    x = 150,789,696.60

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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.