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Finding the Fourth Proportional to 235,913.13, 353,925.59 and 102,817.17

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Solution

The fourth proportional to 235,913.13, 353,925.59 and 102,817.17 is: 154,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,913.13 : 353,925.59 = 102,817.17 : x
  2. Step 2: Convert to fraction form
    235,913.13/353,925.59 = 102,817.17/x
  3. Step 3: Cross multiply
    235,913.13x = 353,925.59 × 102,817.17
  4. Step 4: Simplify right side
    235,913.13x = 36,389,627,040.29
  5. Step 5: Solve for x
    x = 36,389,627,040.29/235,913.13
  6. Step 6: Final answer
    x = 154,250.11

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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.