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Finding the Fourth Proportional to 239,048.94, 358,489.82 and 70,524.53

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Solution

The fourth proportional to 239,048.94, 358,489.82 and 70,524.53 is: 105,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,048.94 : 358,489.82 = 70,524.53 : x
  2. Step 2: Convert to fraction form
    239,048.94/358,489.82 = 70,524.53/x
  3. Step 3: Cross multiply
    239,048.94x = 358,489.82 × 70,524.53
  4. Step 4: Simplify right side
    239,048.94x = 25,282,323,920.21
  5. Step 5: Solve for x
    x = 25,282,323,920.21/239,048.94
  6. Step 6: Final answer
    x = 105,762.13

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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.