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Finding the Fourth Proportional to 265,146.96, 365,903.48 and 144,288.20

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Solution

The fourth proportional to 265,146.96, 365,903.48 and 144,288.20 is: 199,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,146.96 : 365,903.48 = 144,288.20 : x
  2. Step 2: Convert to fraction form
    265,146.96/365,903.48 = 144,288.20/x
  3. Step 3: Cross multiply
    265,146.96x = 365,903.48 × 144,288.20
  4. Step 4: Simplify right side
    265,146.96x = 52,795,554,502.94
  5. Step 5: Solve for x
    x = 52,795,554,502.94/265,146.96
  6. Step 6: Final answer
    x = 199,118.08

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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.