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Finding the Fourth Proportional to 93,133.00, 139,602.25 and 43,171.90

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Solution

The fourth proportional to 93,133.00, 139,602.25 and 43,171.90 is: 64,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,133.00 : 139,602.25 = 43,171.90 : x
  2. Step 2: Convert to fraction form
    93,133.00/139,602.25 = 43,171.90/x
  3. Step 3: Cross multiply
    93,133.00x = 139,602.25 × 43,171.90
  4. Step 4: Simplify right side
    93,133.00x = 6,026,894,081.73
  5. Step 5: Solve for x
    x = 6,026,894,081.73/93,133.00
  6. Step 6: Final answer
    x = 64,712.77

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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.