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Finding the Fourth Proportional to 176,710.08, 264,872.28 and 86,814.72

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Solution

The fourth proportional to 176,710.08, 264,872.28 and 86,814.72 is: 130,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,710.08 : 264,872.28 = 86,814.72 : x
  2. Step 2: Convert to fraction form
    176,710.08/264,872.28 = 86,814.72/x
  3. Step 3: Cross multiply
    176,710.08x = 264,872.28 × 86,814.72
  4. Step 4: Simplify right side
    176,710.08x = 22,994,812,823.96
  5. Step 5: Solve for x
    x = 22,994,812,823.96/176,710.08
  6. Step 6: Final answer
    x = 130,127.34

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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.