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Finding the Fourth Proportional to 111,292.92, 165,946.74 and 98,929.08

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Solution

The fourth proportional to 111,292.92, 165,946.74 and 98,929.08 is: 147,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,292.92 : 165,946.74 = 98,929.08 : x
  2. Step 2: Convert to fraction form
    111,292.92/165,946.74 = 98,929.08/x
  3. Step 3: Cross multiply
    111,292.92x = 165,946.74 × 98,929.08
  4. Step 4: Simplify right side
    111,292.92x = 16,416,958,317.20
  5. Step 5: Solve for x
    x = 16,416,958,317.20/111,292.92
  6. Step 6: Final answer
    x = 147,511.26

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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.