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Finding the Fourth Proportional to 253,435.84, 349,828.88 and 146,048.67

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Solution

The fourth proportional to 253,435.84, 349,828.88 and 146,048.67 is: 201,597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,435.84 : 349,828.88 = 146,048.67 : x
  2. Step 2: Convert to fraction form
    253,435.84/349,828.88 = 146,048.67/x
  3. Step 3: Cross multiply
    253,435.84x = 349,828.88 × 146,048.67
  4. Step 4: Simplify right side
    253,435.84x = 51,092,041,921.35
  5. Step 5: Solve for x
    x = 51,092,041,921.35/253,435.84
  6. Step 6: Final answer
    x = 201,597.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.