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Finding the Fourth Proportional to 94,908.16, 130,974.12 and 51,888.88

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Solution

The fourth proportional to 94,908.16, 130,974.12 and 51,888.88 is: 71,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,908.16 : 130,974.12 = 51,888.88 : x
  2. Step 2: Convert to fraction form
    94,908.16/130,974.12 = 51,888.88/x
  3. Step 3: Cross multiply
    94,908.16x = 130,974.12 × 51,888.88
  4. Step 4: Simplify right side
    94,908.16x = 6,796,100,395.79
  5. Step 5: Solve for x
    x = 6,796,100,395.79/94,908.16
  6. Step 6: Final answer
    x = 71,607.12

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1.5x scale

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.