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Finding the Fourth Proportional to 336,060.47, 504,090.71 and 99,384.72

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Solution

The fourth proportional to 336,060.47, 504,090.71 and 99,384.72 is: 149,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,060.47 : 504,090.71 = 99,384.72 : x
  2. Step 2: Convert to fraction form
    336,060.47/504,090.71 = 99,384.72/x
  3. Step 3: Cross multiply
    336,060.47x = 504,090.71 × 99,384.72
  4. Step 4: Simplify right side
    336,060.47x = 50,098,912,053.38
  5. Step 5: Solve for x
    x = 50,098,912,053.38/336,060.47
  6. Step 6: Final answer
    x = 149,077.07

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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.