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Finding the Fourth Proportional to 89,693,401.60, 134,540,102.40 and 57,248,928.55

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Solution

The fourth proportional to 89,693,401.60, 134,540,102.40 and 57,248,928.55 is: 85,873,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,693,401.60 : 134,540,102.40 = 57,248,928.55 : x
  2. Step 2: Convert to fraction form
    89,693,401.60/134,540,102.40 = 57,248,928.55/x
  3. Step 3: Cross multiply
    89,693,401.60x = 134,540,102.40 × 57,248,928.55
  4. Step 4: Simplify right side
    89,693,401.60x = 7,702,276,709,407,283
  5. Step 5: Solve for x
    x = 7,702,276,709,407,283/89,693,401.60
  6. Step 6: Final answer
    x = 85,873,392.83

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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.