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Finding the Fourth Proportional to 170,363.99, 235,099.13 and 93,890.16

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Solution

The fourth proportional to 170,363.99, 235,099.13 and 93,890.16 is: 129,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,363.99 : 235,099.13 = 93,890.16 : x
  2. Step 2: Convert to fraction form
    170,363.99/235,099.13 = 93,890.16/x
  3. Step 3: Cross multiply
    170,363.99x = 235,099.13 × 93,890.16
  4. Step 4: Simplify right side
    170,363.99x = 22,073,494,462.11
  5. Step 5: Solve for x
    x = 22,073,494,462.11/170,363.99
  6. Step 6: Final answer
    x = 129,566.67

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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.