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Finding the Fourth Proportional to 176,031.40, 264,047.10 and 105,874.60

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Solution

The fourth proportional to 176,031.40, 264,047.10 and 105,874.60 is: 158,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,031.40 : 264,047.10 = 105,874.60 : x
  2. Step 2: Convert to fraction form
    176,031.40/264,047.10 = 105,874.60/x
  3. Step 3: Cross multiply
    176,031.40x = 264,047.10 × 105,874.60
  4. Step 4: Simplify right side
    176,031.40x = 27,955,881,093.66
  5. Step 5: Solve for x
    x = 27,955,881,093.66/176,031.40
  6. Step 6: Final answer
    x = 158,811.90

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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.