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Finding the Fourth Proportional to 93,298.08, 139,914.72 and 30,954

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Solution

The fourth proportional to 93,298.08, 139,914.72 and 30,954 is: 46,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,298.08 : 139,914.72 = 30,954 : x
  2. Step 2: Convert to fraction form
    93,298.08/139,914.72 = 30,954/x
  3. Step 3: Cross multiply
    93,298.08x = 139,914.72 × 30,954
  4. Step 4: Simplify right side
    93,298.08x = 4,330,920,242.88
  5. Step 5: Solve for x
    x = 4,330,920,242.88/93,298.08
  6. Step 6: Final answer
    x = 46,420.25

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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.