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Finding the Fourth Proportional to 235,740, 353,674.92 and 69,528

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Solution

The fourth proportional to 235,740, 353,674.92 and 69,528 is: 104,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,740 : 353,674.92 = 69,528 : x
  2. Step 2: Convert to fraction form
    235,740/353,674.92 = 69,528/x
  3. Step 3: Cross multiply
    235,740x = 353,674.92 × 69,528
  4. Step 4: Simplify right side
    235,740x = 24,590,309,837.76
  5. Step 5: Solve for x
    x = 24,590,309,837.76/235,740
  6. Step 6: Final answer
    x = 104,311.15

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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.