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Finding the Fourth Proportional to 164,124.32, 226,491.44 and 88,672.80

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Solution

The fourth proportional to 164,124.32, 226,491.44 and 88,672.80 is: 122,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,124.32 : 226,491.44 = 88,672.80 : x
  2. Step 2: Convert to fraction form
    164,124.32/226,491.44 = 88,672.80/x
  3. Step 3: Cross multiply
    164,124.32x = 226,491.44 × 88,672.80
  4. Step 4: Simplify right side
    164,124.32x = 20,083,630,160.83
  5. Step 5: Solve for x
    x = 20,083,630,160.83/164,124.32
  6. Step 6: Final answer
    x = 122,368.40

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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.