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Finding the Fourth Proportional to 316,602.87, 474,776.73 and 114,141.35

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Solution

The fourth proportional to 316,602.87, 474,776.73 and 114,141.35 is: 171,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,602.87 : 474,776.73 = 114,141.35 : x
  2. Step 2: Convert to fraction form
    316,602.87/474,776.73 = 114,141.35/x
  3. Step 3: Cross multiply
    316,602.87x = 474,776.73 × 114,141.35
  4. Step 4: Simplify right side
    316,602.87x = 54,191,654,536.90
  5. Step 5: Solve for x
    x = 54,191,654,536.90/316,602.87
  6. Step 6: Final answer
    x = 171,166.02

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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.