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Finding the Fourth Proportional to 65,196.70, 97,795.05 and 60,790.30

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Solution

The fourth proportional to 65,196.70, 97,795.05 and 60,790.30 is: 91,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,196.70 : 97,795.05 = 60,790.30 : x
  2. Step 2: Convert to fraction form
    65,196.70/97,795.05 = 60,790.30/x
  3. Step 3: Cross multiply
    65,196.70x = 97,795.05 × 60,790.30
  4. Step 4: Simplify right side
    65,196.70x = 5,944,990,428.02
  5. Step 5: Solve for x
    x = 5,944,990,428.02/65,196.70
  6. Step 6: Final answer
    x = 91,185.45

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1.5x scale

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.