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Finding the Fourth Proportional to 130,296, 179,808.48 and 73,706.16

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Solution

The fourth proportional to 130,296, 179,808.48 and 73,706.16 is: 101,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,296 : 179,808.48 = 73,706.16 : x
  2. Step 2: Convert to fraction form
    130,296/179,808.48 = 73,706.16/x
  3. Step 3: Cross multiply
    130,296x = 179,808.48 × 73,706.16
  4. Step 4: Simplify right side
    130,296x = 13,252,992,596.24
  5. Step 5: Solve for x
    x = 13,252,992,596.24/130,296
  6. Step 6: Final answer
    x = 101,714.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.