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Finding the Fourth Proportional to 177,881.76, 245,490.14 and 101,402.67

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Solution

The fourth proportional to 177,881.76, 245,490.14 and 101,402.67 is: 139,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,881.76 : 245,490.14 = 101,402.67 : x
  2. Step 2: Convert to fraction form
    177,881.76/245,490.14 = 101,402.67/x
  3. Step 3: Cross multiply
    177,881.76x = 245,490.14 × 101,402.67
  4. Step 4: Simplify right side
    177,881.76x = 24,893,355,654.67
  5. Step 5: Solve for x
    x = 24,893,355,654.67/177,881.76
  6. Step 6: Final answer
    x = 139,943.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.