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Finding the Fourth Proportional to 236,690.10, 354,925.80 and 103,501.80

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Solution

The fourth proportional to 236,690.10, 354,925.80 and 103,501.80 is: 155,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,690.10 : 354,925.80 = 103,501.80 : x
  2. Step 2: Convert to fraction form
    236,690.10/354,925.80 = 103,501.80/x
  3. Step 3: Cross multiply
    236,690.10x = 354,925.80 × 103,501.80
  4. Step 4: Simplify right side
    236,690.10x = 36,735,459,166.44
  5. Step 5: Solve for x
    x = 36,735,459,166.44/236,690.10
  6. Step 6: Final answer
    x = 155,204.88

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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.