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Finding the Fourth Proportional to 93,441.90, 139,968.45 and 93,441.90

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Solution

The fourth proportional to 93,441.90, 139,968.45 and 93,441.90 is: 139,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,441.90 : 139,968.45 = 93,441.90 : x
  2. Step 2: Convert to fraction form
    93,441.90/139,968.45 = 93,441.90/x
  3. Step 3: Cross multiply
    93,441.90x = 139,968.45 × 93,441.90
  4. Step 4: Simplify right side
    93,441.90x = 13,078,917,908.06
  5. Step 5: Solve for x
    x = 13,078,917,908.06/93,441.90
  6. Step 6: Final answer
    x = 139,968.45

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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.