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Finding the Fourth Proportional to 74,846.16, 112,267.08 and 19,442.16

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Solution

The fourth proportional to 74,846.16, 112,267.08 and 19,442.16 is: 29,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,846.16 : 112,267.08 = 19,442.16 : x
  2. Step 2: Convert to fraction form
    74,846.16/112,267.08 = 19,442.16/x
  3. Step 3: Cross multiply
    74,846.16x = 112,267.08 × 19,442.16
  4. Step 4: Simplify right side
    74,846.16x = 2,182,714,532.09
  5. Step 5: Solve for x
    x = 2,182,714,532.09/74,846.16
  6. Step 6: Final answer
    x = 29,162.68

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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.