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Finding the Fourth Proportional to 243,994.16, 366,045.24 and 77,782.16

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Solution

The fourth proportional to 243,994.16, 366,045.24 and 77,782.16 is: 116,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,994.16 : 366,045.24 = 77,782.16 : x
  2. Step 2: Convert to fraction form
    243,994.16/366,045.24 = 77,782.16/x
  3. Step 3: Cross multiply
    243,994.16x = 366,045.24 × 77,782.16
  4. Step 4: Simplify right side
    243,994.16x = 28,471,789,424.92
  5. Step 5: Solve for x
    x = 28,471,789,424.92/243,994.16
  6. Step 6: Final answer
    x = 116,690.45

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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.