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Finding the Fourth Proportional to 94,948.99, 130,990.03 and 54,653.11

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Solution

The fourth proportional to 94,948.99, 130,990.03 and 54,653.11 is: 75,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,948.99 : 130,990.03 = 54,653.11 : x
  2. Step 2: Convert to fraction form
    94,948.99/130,990.03 = 54,653.11/x
  3. Step 3: Cross multiply
    94,948.99x = 130,990.03 × 54,653.11
  4. Step 4: Simplify right side
    94,948.99x = 7,159,012,518.49
  5. Step 5: Solve for x
    x = 7,159,012,518.49/94,948.99
  6. Step 6: Final answer
    x = 75,398.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.