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Finding the Fourth Proportional to 93,315.36, 139,973.15 and 23,194.67

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Solution

The fourth proportional to 93,315.36, 139,973.15 and 23,194.67 is: 34,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315.36 : 139,973.15 = 23,194.67 : x
  2. Step 2: Convert to fraction form
    93,315.36/139,973.15 = 23,194.67/x
  3. Step 3: Cross multiply
    93,315.36x = 139,973.15 × 23,194.67
  4. Step 4: Simplify right side
    93,315.36x = 3,246,630,994.12
  5. Step 5: Solve for x
    x = 3,246,630,994.12/93,315.36
  6. Step 6: Final answer
    x = 34,792.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.