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Finding the Fourth Proportional to 254,502.48, 351,245.64 and 153,900.24

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Solution

The fourth proportional to 254,502.48, 351,245.64 and 153,900.24 is: 212,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,502.48 : 351,245.64 = 153,900.24 : x
  2. Step 2: Convert to fraction form
    254,502.48/351,245.64 = 153,900.24/x
  3. Step 3: Cross multiply
    254,502.48x = 351,245.64 × 153,900.24
  4. Step 4: Simplify right side
    254,502.48x = 54,056,788,294.95
  5. Step 5: Solve for x
    x = 54,056,788,294.95/254,502.48
  6. Step 6: Final answer
    x = 212,401.81

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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.