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Finding the Fourth Proportional to 374,964.93, 562,502.81 and 108,690.80

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Solution

The fourth proportional to 374,964.93, 562,502.81 and 108,690.80 is: 163,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,964.93 : 562,502.81 = 108,690.80 : x
  2. Step 2: Convert to fraction form
    374,964.93/562,502.81 = 108,690.80/x
  3. Step 3: Cross multiply
    374,964.93x = 562,502.81 × 108,690.80
  4. Step 4: Simplify right side
    374,964.93x = 61,138,877,880.36
  5. Step 5: Solve for x
    x = 61,138,877,880.36/374,964.93
  6. Step 6: Final answer
    x = 163,052.26

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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.