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Finding the Fourth Proportional to 236,656.40, 354,933.40 and 103,536.40

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Solution

The fourth proportional to 236,656.40, 354,933.40 and 103,536.40 is: 155,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,656.40 : 354,933.40 = 103,536.40 : x
  2. Step 2: Convert to fraction form
    236,656.40/354,933.40 = 103,536.40/x
  3. Step 3: Cross multiply
    236,656.40x = 354,933.40 × 103,536.40
  4. Step 4: Simplify right side
    236,656.40x = 36,748,526,475.76
  5. Step 5: Solve for x
    x = 36,748,526,475.76/236,656.40
  6. Step 6: Final answer
    x = 155,282.20

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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.