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Finding the Fourth Proportional to 190,425.93, 285,565.06 and 101,630.98

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Solution

The fourth proportional to 190,425.93, 285,565.06 and 101,630.98 is: 152,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,425.93 : 285,565.06 = 101,630.98 : x
  2. Step 2: Convert to fraction form
    190,425.93/285,565.06 = 101,630.98/x
  3. Step 3: Cross multiply
    190,425.93x = 285,565.06 × 101,630.98
  4. Step 4: Simplify right side
    190,425.93x = 29,022,256,901.56
  5. Step 5: Solve for x
    x = 29,022,256,901.56/190,425.93
  6. Step 6: Final answer
    x = 152,407.06

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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.