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Finding the Fourth Proportional to 98,246.68, 147,246.18 and 53,266.36

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Solution

The fourth proportional to 98,246.68, 147,246.18 and 53,266.36 is: 79,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,246.68 : 147,246.18 = 53,266.36 : x
  2. Step 2: Convert to fraction form
    98,246.68/147,246.18 = 53,266.36/x
  3. Step 3: Cross multiply
    98,246.68x = 147,246.18 × 53,266.36
  4. Step 4: Simplify right side
    98,246.68x = 7,843,268,032.50
  5. Step 5: Solve for x
    x = 7,843,268,032.50/98,246.68
  6. Step 6: Final answer
    x = 79,832.40

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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.