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Finding the Fourth Proportional to 93,302.88, 139,954.31 and 30,973.38

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Solution

The fourth proportional to 93,302.88, 139,954.31 and 30,973.38 is: 46,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,302.88 : 139,954.31 = 30,973.38 : x
  2. Step 2: Convert to fraction form
    93,302.88/139,954.31 = 30,973.38/x
  3. Step 3: Cross multiply
    93,302.88x = 139,954.31 × 30,973.38
  4. Step 4: Simplify right side
    93,302.88x = 4,334,858,026.27
  5. Step 5: Solve for x
    x = 4,334,858,026.27/93,302.88
  6. Step 6: Final answer
    x = 46,460.07

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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.