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Finding the Fourth Proportional to 113,352.96, 156,427.96 and 70,935.60

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Solution

The fourth proportional to 113,352.96, 156,427.96 and 70,935.60 is: 97,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,352.96 : 156,427.96 = 70,935.60 : x
  2. Step 2: Convert to fraction form
    113,352.96/156,427.96 = 70,935.60/x
  3. Step 3: Cross multiply
    113,352.96x = 156,427.96 × 70,935.60
  4. Step 4: Simplify right side
    113,352.96x = 11,096,311,199.38
  5. Step 5: Solve for x
    x = 11,096,311,199.38/113,352.96
  6. Step 6: Final answer
    x = 97,891.68

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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.