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Finding the Fourth Proportional to 98,254.58, 147,411.06 and 45,695.30

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Solution

The fourth proportional to 98,254.58, 147,411.06 and 45,695.30 is: 68,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,254.58 : 147,411.06 = 45,695.30 : x
  2. Step 2: Convert to fraction form
    98,254.58/147,411.06 = 45,695.30/x
  3. Step 3: Cross multiply
    98,254.58x = 147,411.06 × 45,695.30
  4. Step 4: Simplify right side
    98,254.58x = 6,735,992,610.02
  5. Step 5: Solve for x
    x = 6,735,992,610.02/98,254.58
  6. Step 6: Final answer
    x = 68,556.53

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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.