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Finding the Fourth Proportional to 254,421.60, 351,212.40 and 165,026.40

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Solution

The fourth proportional to 254,421.60, 351,212.40 and 165,026.40 is: 227,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,421.60 : 351,212.40 = 165,026.40 : x
  2. Step 2: Convert to fraction form
    254,421.60/351,212.40 = 165,026.40/x
  3. Step 3: Cross multiply
    254,421.60x = 351,212.40 × 165,026.40
  4. Step 4: Simplify right side
    254,421.60x = 57,959,318,007.36
  5. Step 5: Solve for x
    x = 57,959,318,007.36/254,421.60
  6. Step 6: Final answer
    x = 227,808.17

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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.