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Finding the Fourth Proportional to 372,726.47, 559,179.08 and 120,030.77

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Solution

The fourth proportional to 372,726.47, 559,179.08 and 120,030.77 is: 180,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,726.47 : 559,179.08 = 120,030.77 : x
  2. Step 2: Convert to fraction form
    372,726.47/559,179.08 = 120,030.77/x
  3. Step 3: Cross multiply
    372,726.47x = 559,179.08 × 120,030.77
  4. Step 4: Simplify right side
    372,726.47x = 67,118,695,540.29
  5. Step 5: Solve for x
    x = 67,118,695,540.29/372,726.47
  6. Step 6: Final answer
    x = 180,074.94

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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.