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Finding the Fourth Proportional to 152,053.80, 228,059.10 and 52,218.60

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Solution

The fourth proportional to 152,053.80, 228,059.10 and 52,218.60 is: 78,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053.80 : 228,059.10 = 52,218.60 : x
  2. Step 2: Convert to fraction form
    152,053.80/228,059.10 = 52,218.60/x
  3. Step 3: Cross multiply
    152,053.80x = 228,059.10 × 52,218.60
  4. Step 4: Simplify right side
    152,053.80x = 11,908,926,919.26
  5. Step 5: Solve for x
    x = 11,908,926,919.26/152,053.80
  6. Step 6: Final answer
    x = 78,320.48

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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.