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Finding the Fourth Proportional to 242,689,808.40, 364,034,712.60 and 89,445,843.60

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Solution

The fourth proportional to 242,689,808.40, 364,034,712.60 and 89,445,843.60 is: 134,168,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,689,808.40 : 364,034,712.60 = 89,445,843.60 : x
  2. Step 2: Convert to fraction form
    242,689,808.40/364,034,712.60 = 89,445,843.60/x
  3. Step 3: Cross multiply
    242,689,808.40x = 364,034,712.60 × 89,445,843.60
  4. Step 4: Simplify right side
    242,689,808.40x = 32,561,391,968,190,548
  5. Step 5: Solve for x
    x = 32,561,391,968,190,548/242,689,808.40
  6. Step 6: Final answer
    x = 134,168,765.40

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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.