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Finding the Fourth Proportional to 162,554.36, 224,360.12 and 98,912.64

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Solution

The fourth proportional to 162,554.36, 224,360.12 and 98,912.64 is: 136,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,554.36 : 224,360.12 = 98,912.64 : x
  2. Step 2: Convert to fraction form
    162,554.36/224,360.12 = 98,912.64/x
  3. Step 3: Cross multiply
    162,554.36x = 224,360.12 × 98,912.64
  4. Step 4: Simplify right side
    162,554.36x = 22,192,051,779.92
  5. Step 5: Solve for x
    x = 22,192,051,779.92/162,554.36
  6. Step 6: Final answer
    x = 136,520.80

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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.