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Finding the Fourth Proportional to 176,998.30, 265,060.05 and 117,511.90

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Solution

The fourth proportional to 176,998.30, 265,060.05 and 117,511.90 is: 175,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,998.30 : 265,060.05 = 117,511.90 : x
  2. Step 2: Convert to fraction form
    176,998.30/265,060.05 = 117,511.90/x
  3. Step 3: Cross multiply
    176,998.30x = 265,060.05 × 117,511.90
  4. Step 4: Simplify right side
    176,998.30x = 31,147,710,089.60
  5. Step 5: Solve for x
    x = 31,147,710,089.60/176,998.30
  6. Step 6: Final answer
    x = 175,977.45

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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.