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Finding the Fourth Proportional to 333,657.90, 500,249.07 and 156,068.10

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Solution

The fourth proportional to 333,657.90, 500,249.07 and 156,068.10 is: 233,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,657.90 : 500,249.07 = 156,068.10 : x
  2. Step 2: Convert to fraction form
    333,657.90/500,249.07 = 156,068.10/x
  3. Step 3: Cross multiply
    333,657.90x = 500,249.07 × 156,068.10
  4. Step 4: Simplify right side
    333,657.90x = 78,072,921,881.67
  5. Step 5: Solve for x
    x = 78,072,921,881.67/333,657.90
  6. Step 6: Final answer
    x = 233,990.93

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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.