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Finding the Fourth Proportional to 187,035.20, 280,552.80 and 117,051.20

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Solution

The fourth proportional to 187,035.20, 280,552.80 and 117,051.20 is: 175,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,035.20 : 280,552.80 = 117,051.20 : x
  2. Step 2: Convert to fraction form
    187,035.20/280,552.80 = 117,051.20/x
  3. Step 3: Cross multiply
    187,035.20x = 280,552.80 × 117,051.20
  4. Step 4: Simplify right side
    187,035.20x = 32,839,041,903.36
  5. Step 5: Solve for x
    x = 32,839,041,903.36/187,035.20
  6. Step 6: Final answer
    x = 175,576.80

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1.5x scale

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.