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Finding the Fourth Proportional to 236,549.64, 354,935.16 and 103,412.64

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Solution

The fourth proportional to 236,549.64, 354,935.16 and 103,412.64 is: 155,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,549.64 : 354,935.16 = 103,412.64 : x
  2. Step 2: Convert to fraction form
    236,549.64/354,935.16 = 103,412.64/x
  3. Step 3: Cross multiply
    236,549.64x = 354,935.16 × 103,412.64
  4. Step 4: Simplify right side
    236,549.64x = 36,704,781,924.42
  5. Step 5: Solve for x
    x = 36,704,781,924.42/236,549.64
  6. Step 6: Final answer
    x = 155,167.35

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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.