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Finding the Fourth Proportional to 97,675.40, 146,513.10 and 60,811.40

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Solution

The fourth proportional to 97,675.40, 146,513.10 and 60,811.40 is: 91,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,675.40 : 146,513.10 = 60,811.40 : x
  2. Step 2: Convert to fraction form
    97,675.40/146,513.10 = 60,811.40/x
  3. Step 3: Cross multiply
    97,675.40x = 146,513.10 × 60,811.40
  4. Step 4: Simplify right side
    97,675.40x = 8,909,666,729.34
  5. Step 5: Solve for x
    x = 8,909,666,729.34/97,675.40
  6. Step 6: Final answer
    x = 91,217.10

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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.