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Finding the Fourth Proportional to 112,098.07, 167,404.07 and 98,516.80

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Solution

The fourth proportional to 112,098.07, 167,404.07 and 98,516.80 is: 147,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.07 : 167,404.07 = 98,516.80 : x
  2. Step 2: Convert to fraction form
    112,098.07/167,404.07 = 98,516.80/x
  3. Step 3: Cross multiply
    112,098.07x = 167,404.07 × 98,516.80
  4. Step 4: Simplify right side
    112,098.07x = 16,492,113,738.92
  5. Step 5: Solve for x
    x = 16,492,113,738.92/112,098.07
  6. Step 6: Final answer
    x = 147,122.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.