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Finding the Fourth Proportional to 243,089.19, 364,633.79 and 65,596.19

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Solution

The fourth proportional to 243,089.19, 364,633.79 and 65,596.19 is: 98,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,089.19 : 364,633.79 = 65,596.19 : x
  2. Step 2: Convert to fraction form
    243,089.19/364,633.79 = 65,596.19/x
  3. Step 3: Cross multiply
    243,089.19x = 364,633.79 × 65,596.19
  4. Step 4: Simplify right side
    243,089.19x = 23,918,585,218.11
  5. Step 5: Solve for x
    x = 23,918,585,218.11/243,089.19
  6. Step 6: Final answer
    x = 98,394.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.