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Finding the Fourth Proportional to 144,596.48, 215,932.48 and 143,032.64

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Solution

The fourth proportional to 144,596.48, 215,932.48 and 143,032.64 is: 213,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,596.48 : 215,932.48 = 143,032.64 : x
  2. Step 2: Convert to fraction form
    144,596.48/215,932.48 = 143,032.64/x
  3. Step 3: Cross multiply
    144,596.48x = 215,932.48 × 143,032.64
  4. Step 4: Simplify right side
    144,596.48x = 30,885,392,676.15
  5. Step 5: Solve for x
    x = 30,885,392,676.15/144,596.48
  6. Step 6: Final answer
    x = 213,597.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.