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Finding the Fourth Proportional to 135,689.46, 203,492.73 and 93,838.50

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Solution

The fourth proportional to 135,689.46, 203,492.73 and 93,838.50 is: 140,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,689.46 : 203,492.73 = 93,838.50 : x
  2. Step 2: Convert to fraction form
    135,689.46/203,492.73 = 93,838.50/x
  3. Step 3: Cross multiply
    135,689.46x = 203,492.73 × 93,838.50
  4. Step 4: Simplify right side
    135,689.46x = 19,095,452,544.11
  5. Step 5: Solve for x
    x = 19,095,452,544.11/135,689.46
  6. Step 6: Final answer
    x = 140,729.08

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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.