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Finding the Fourth Proportional to 173,699.10, 239,709.06 and 97,217.58

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Solution

The fourth proportional to 173,699.10, 239,709.06 and 97,217.58 is: 134,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,699.10 : 239,709.06 = 97,217.58 : x
  2. Step 2: Convert to fraction form
    173,699.10/239,709.06 = 97,217.58/x
  3. Step 3: Cross multiply
    173,699.10x = 239,709.06 × 97,217.58
  4. Step 4: Simplify right side
    173,699.10x = 23,303,934,717.27
  5. Step 5: Solve for x
    x = 23,303,934,717.27/173,699.10
  6. Step 6: Final answer
    x = 134,162.67

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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.