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Finding the Fourth Proportional to 105,113.04, 157,713.30 and 63,074.04

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Solution

The fourth proportional to 105,113.04, 157,713.30 and 63,074.04 is: 94,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,113.04 : 157,713.30 = 63,074.04 : x
  2. Step 2: Convert to fraction form
    105,113.04/157,713.30 = 63,074.04/x
  3. Step 3: Cross multiply
    105,113.04x = 157,713.30 × 63,074.04
  4. Step 4: Simplify right side
    105,113.04x = 9,947,614,992.73
  5. Step 5: Solve for x
    x = 9,947,614,992.73/105,113.04
  6. Step 6: Final answer
    x = 94,637.31

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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.