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Finding the Fourth Proportional to 169,991,566.80, 254,987,350.20 and 156,386,677.20

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Solution

The fourth proportional to 169,991,566.80, 254,987,350.20 and 156,386,677.20 is: 234,580,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,991,566.80 : 254,987,350.20 = 156,386,677.20 : x
  2. Step 2: Convert to fraction form
    169,991,566.80/254,987,350.20 = 156,386,677.20/x
  3. Step 3: Cross multiply
    169,991,566.80x = 254,987,350.20 × 156,386,677.20
  4. Step 4: Simplify right side
    169,991,566.80x = 39,876,624,425,810,752
  5. Step 5: Solve for x
    x = 39,876,624,425,810,752/169,991,566.80
  6. Step 6: Final answer
    x = 234,580,015.80

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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.