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Finding the Fourth Proportional to 333,159.09, 499,959.90 and 155,679.81

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Solution

The fourth proportional to 333,159.09, 499,959.90 and 155,679.81 is: 233,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,159.09 : 499,959.90 = 155,679.81 : x
  2. Step 2: Convert to fraction form
    333,159.09/499,959.90 = 155,679.81/x
  3. Step 3: Cross multiply
    333,159.09x = 499,959.90 × 155,679.81
  4. Step 4: Simplify right side
    333,159.09x = 77,833,662,239.62
  5. Step 5: Solve for x
    x = 77,833,662,239.62/333,159.09
  6. Step 6: Final answer
    x = 233,623.11

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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.