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Finding the Fourth Proportional to 169,638.30, 254,457.45 and 148,902.30

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Solution

The fourth proportional to 169,638.30, 254,457.45 and 148,902.30 is: 223,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,638.30 : 254,457.45 = 148,902.30 : x
  2. Step 2: Convert to fraction form
    169,638.30/254,457.45 = 148,902.30/x
  3. Step 3: Cross multiply
    169,638.30x = 254,457.45 × 148,902.30
  4. Step 4: Simplify right side
    169,638.30x = 37,889,299,557.14
  5. Step 5: Solve for x
    x = 37,889,299,557.14/169,638.30
  6. Step 6: Final answer
    x = 223,353.45

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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.