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Finding the Fourth Proportional to 93,089.20, 139,639.20 and 26,534.20

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Solution

The fourth proportional to 93,089.20, 139,639.20 and 26,534.20 is: 39,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,089.20 : 139,639.20 = 26,534.20 : x
  2. Step 2: Convert to fraction form
    93,089.20/139,639.20 = 26,534.20/x
  3. Step 3: Cross multiply
    93,089.20x = 139,639.20 × 26,534.20
  4. Step 4: Simplify right side
    93,089.20x = 3,705,214,460.64
  5. Step 5: Solve for x
    x = 3,705,214,460.64/93,089.20
  6. Step 6: Final answer
    x = 39,802.84

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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.