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Finding the Fourth Proportional to 307,406.10, 461,070.27 and 97,065.30

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Solution

The fourth proportional to 307,406.10, 461,070.27 and 97,065.30 is: 145,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,406.10 : 461,070.27 = 97,065.30 : x
  2. Step 2: Convert to fraction form
    307,406.10/461,070.27 = 97,065.30/x
  3. Step 3: Cross multiply
    307,406.10x = 461,070.27 × 97,065.30
  4. Step 4: Simplify right side
    307,406.10x = 44,753,924,078.63
  5. Step 5: Solve for x
    x = 44,753,924,078.63/307,406.10
  6. Step 6: Final answer
    x = 145,585.67

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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.