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Finding the Fourth Proportional to 152,988.54, 211,200.93 and 95,659.74

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Solution

The fourth proportional to 152,988.54, 211,200.93 and 95,659.74 is: 132,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,988.54 : 211,200.93 = 95,659.74 : x
  2. Step 2: Convert to fraction form
    152,988.54/211,200.93 = 95,659.74/x
  3. Step 3: Cross multiply
    152,988.54x = 211,200.93 × 95,659.74
  4. Step 4: Simplify right side
    152,988.54x = 20,203,426,051.56
  5. Step 5: Solve for x
    x = 20,203,426,051.56/152,988.54
  6. Step 6: Final answer
    x = 132,058.43

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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.