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Finding the Fourth Proportional to 243,488.16, 365,198.94 and 72,707.22

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Solution

The fourth proportional to 243,488.16, 365,198.94 and 72,707.22 is: 109,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,488.16 : 365,198.94 = 72,707.22 : x
  2. Step 2: Convert to fraction form
    243,488.16/365,198.94 = 72,707.22/x
  3. Step 3: Cross multiply
    243,488.16x = 365,198.94 × 72,707.22
  4. Step 4: Simplify right side
    243,488.16x = 26,552,599,674.35
  5. Step 5: Solve for x
    x = 26,552,599,674.35/243,488.16
  6. Step 6: Final answer
    x = 109,050.89

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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.