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Finding the Fourth Proportional to 93,266.88, 139,927.58 and 30,085.61

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Solution

The fourth proportional to 93,266.88, 139,927.58 and 30,085.61 is: 45,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,266.88 : 139,927.58 = 30,085.61 : x
  2. Step 2: Convert to fraction form
    93,266.88/139,927.58 = 30,085.61/x
  3. Step 3: Cross multiply
    93,266.88x = 139,927.58 × 30,085.61
  4. Step 4: Simplify right side
    93,266.88x = 4,209,805,750.06
  5. Step 5: Solve for x
    x = 4,209,805,750.06/93,266.88
  6. Step 6: Final answer
    x = 45,137.20

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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.