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Finding the Fourth Proportional to 130,468.51, 195,790.38 and 47,362.51

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Solution

The fourth proportional to 130,468.51, 195,790.38 and 47,362.51 is: 71,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,468.51 : 195,790.38 = 47,362.51 : x
  2. Step 2: Convert to fraction form
    130,468.51/195,790.38 = 47,362.51/x
  3. Step 3: Cross multiply
    130,468.51x = 195,790.38 × 47,362.51
  4. Step 4: Simplify right side
    130,468.51x = 9,273,123,830.65
  5. Step 5: Solve for x
    x = 9,273,123,830.65/130,468.51
  6. Step 6: Final answer
    x = 71,075.57

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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.