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Finding the Fourth Proportional to 146,644.45, 202,368.60 and 79,576.45

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Solution

The fourth proportional to 146,644.45, 202,368.60 and 79,576.45 is: 109,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,644.45 : 202,368.60 = 79,576.45 : x
  2. Step 2: Convert to fraction form
    146,644.45/202,368.60 = 79,576.45/x
  3. Step 3: Cross multiply
    146,644.45x = 202,368.60 × 79,576.45
  4. Step 4: Simplify right side
    146,644.45x = 16,103,774,779.47
  5. Step 5: Solve for x
    x = 16,103,774,779.47/146,644.45
  6. Step 6: Final answer
    x = 109,815.10

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1.5x scale

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.