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Finding the Fourth Proportional to 181,897.79, 272,833.98 and 68,023.93

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Solution

The fourth proportional to 181,897.79, 272,833.98 and 68,023.93 is: 102,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,897.79 : 272,833.98 = 68,023.93 : x
  2. Step 2: Convert to fraction form
    181,897.79/272,833.98 = 68,023.93/x
  3. Step 3: Cross multiply
    181,897.79x = 272,833.98 × 68,023.93
  4. Step 4: Simplify right side
    181,897.79x = 18,559,237,852.85
  5. Step 5: Solve for x
    x = 18,559,237,852.85/181,897.79
  6. Step 6: Final answer
    x = 102,031.13

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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.