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Finding the Fourth Proportional to 163,128.87, 244,782.50 and 63,293.01

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Solution

The fourth proportional to 163,128.87, 244,782.50 and 63,293.01 is: 94,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,128.87 : 244,782.50 = 63,293.01 : x
  2. Step 2: Convert to fraction form
    163,128.87/244,782.50 = 63,293.01/x
  3. Step 3: Cross multiply
    163,128.87x = 244,782.50 × 63,293.01
  4. Step 4: Simplify right side
    163,128.87x = 15,493,020,641.67
  5. Step 5: Solve for x
    x = 15,493,020,641.67/163,128.87
  6. Step 6: Final answer
    x = 94,974.12

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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.