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Finding the Fourth Proportional to 98,085.96, 147,026.88 and 45,452.16

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Solution

The fourth proportional to 98,085.96, 147,026.88 and 45,452.16 is: 68,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,085.96 : 147,026.88 = 45,452.16 : x
  2. Step 2: Convert to fraction form
    98,085.96/147,026.88 = 45,452.16/x
  3. Step 3: Cross multiply
    98,085.96x = 147,026.88 × 45,452.16
  4. Step 4: Simplify right side
    98,085.96x = 6,682,689,274.06
  5. Step 5: Solve for x
    x = 6,682,689,274.06/98,085.96
  6. Step 6: Final answer
    x = 68,130.95

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1.5x scale

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.