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Finding the Fourth Proportional to 169,963,367.60, 254,609,128.20 and 93,148,929.20

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Solution

The fourth proportional to 169,963,367.60, 254,609,128.20 and 93,148,929.20 is: 139,539,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,963,367.60 : 254,609,128.20 = 93,148,929.20 : x
  2. Step 2: Convert to fraction form
    169,963,367.60/254,609,128.20 = 93,148,929.20/x
  3. Step 3: Cross multiply
    169,963,367.60x = 254,609,128.20 × 93,148,929.20
  4. Step 4: Simplify right side
    169,963,367.60x = 23,716,567,656,375,524
  5. Step 5: Solve for x
    x = 23,716,567,656,375,524/169,963,367.60
  6. Step 6: Final answer
    x = 139,539,290.09

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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.