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Finding the Fourth Proportional to 99,635.95, 137,217.67 and 97,458.67

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Solution

The fourth proportional to 99,635.95, 137,217.67 and 97,458.67 is: 134,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,635.95 : 137,217.67 = 97,458.67 : x
  2. Step 2: Convert to fraction form
    99,635.95/137,217.67 = 97,458.67/x
  3. Step 3: Cross multiply
    99,635.95x = 137,217.67 × 97,458.67
  4. Step 4: Simplify right side
    99,635.95x = 13,373,051,618.70
  5. Step 5: Solve for x
    x = 13,373,051,618.70/99,635.95
  6. Step 6: Final answer
    x = 134,219.14

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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.