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Finding the Fourth Proportional to 97,619.56, 134,715.78 and 52,907.56

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Solution

The fourth proportional to 97,619.56, 134,715.78 and 52,907.56 is: 73,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,619.56 : 134,715.78 = 52,907.56 : x
  2. Step 2: Convert to fraction form
    97,619.56/134,715.78 = 52,907.56/x
  3. Step 3: Cross multiply
    97,619.56x = 134,715.78 × 52,907.56
  4. Step 4: Simplify right side
    97,619.56x = 7,127,483,213.30
  5. Step 5: Solve for x
    x = 7,127,483,213.30/97,619.56
  6. Step 6: Final answer
    x = 73,012.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.