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Finding the Fourth Proportional to 112,060.62, 168,144.36 and 69,929.28

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Solution

The fourth proportional to 112,060.62, 168,144.36 and 69,929.28 is: 104,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,060.62 : 168,144.36 = 69,929.28 : x
  2. Step 2: Convert to fraction form
    112,060.62/168,144.36 = 69,929.28/x
  3. Step 3: Cross multiply
    112,060.62x = 168,144.36 × 69,929.28
  4. Step 4: Simplify right side
    112,060.62x = 11,758,214,030.86
  5. Step 5: Solve for x
    x = 11,758,214,030.86/112,060.62
  6. Step 6: Final answer
    x = 104,927.26

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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.