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Finding the Fourth Proportional to 382,030.95, 573,115.60 and 125,877.20

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Solution

The fourth proportional to 382,030.95, 573,115.60 and 125,877.20 is: 188,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,030.95 : 573,115.60 = 125,877.20 : x
  2. Step 2: Convert to fraction form
    382,030.95/573,115.60 = 125,877.20/x
  3. Step 3: Cross multiply
    382,030.95x = 573,115.60 × 125,877.20
  4. Step 4: Simplify right side
    382,030.95x = 72,142,187,004.32
  5. Step 5: Solve for x
    x = 72,142,187,004.32/382,030.95
  6. Step 6: Final answer
    x = 188,838.59

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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.