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Finding the Fourth Proportional to 98,585.91, 147,966.75 and 46,025.01

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Solution

The fourth proportional to 98,585.91, 147,966.75 and 46,025.01 is: 69,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,585.91 : 147,966.75 = 46,025.01 : x
  2. Step 2: Convert to fraction form
    98,585.91/147,966.75 = 46,025.01/x
  3. Step 3: Cross multiply
    98,585.91x = 147,966.75 × 46,025.01
  4. Step 4: Simplify right side
    98,585.91x = 6,810,171,148.42
  5. Step 5: Solve for x
    x = 6,810,171,148.42/98,585.91
  6. Step 6: Final answer
    x = 69,078.54

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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.