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Finding the Fourth Proportional to 259,166.44, 357,678.79 and 144,455.55

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Solution

The fourth proportional to 259,166.44, 357,678.79 and 144,455.55 is: 199,364.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,166.44 : 357,678.79 = 144,455.55 : x
  2. Step 2: Convert to fraction form
    259,166.44/357,678.79 = 144,455.55/x
  3. Step 3: Cross multiply
    259,166.44x = 357,678.79 × 144,455.55
  4. Step 4: Simplify right side
    259,166.44x = 51,668,686,642.29
  5. Step 5: Solve for x
    x = 51,668,686,642.29/259,166.44
  6. Step 6: Final answer
    x = 199,364.89

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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.