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Finding the Fourth Proportional to 181,572.93, 272,403.15 and 56,913.93

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Solution

The fourth proportional to 181,572.93, 272,403.15 and 56,913.93 is: 85,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,572.93 : 272,403.15 = 56,913.93 : x
  2. Step 2: Convert to fraction form
    181,572.93/272,403.15 = 56,913.93/x
  3. Step 3: Cross multiply
    181,572.93x = 272,403.15 × 56,913.93
  4. Step 4: Simplify right side
    181,572.93x = 15,503,533,810.88
  5. Step 5: Solve for x
    x = 15,503,533,810.88/181,572.93
  6. Step 6: Final answer
    x = 85,384.61

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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.