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Finding the Fourth Proportional to 169,778,837.80, 254,668,256.70 and 48,610,289.80

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Solution

The fourth proportional to 169,778,837.80, 254,668,256.70 and 48,610,289.80 is: 72,915,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,778,837.80 : 254,668,256.70 = 48,610,289.80 : x
  2. Step 2: Convert to fraction form
    169,778,837.80/254,668,256.70 = 48,610,289.80/x
  3. Step 3: Cross multiply
    169,778,837.80x = 254,668,256.70 × 48,610,289.80
  4. Step 4: Simplify right side
    169,778,837.80x = 12,379,497,761,047,790
  5. Step 5: Solve for x
    x = 12,379,497,761,047,790/169,778,837.80
  6. Step 6: Final answer
    x = 72,915,434.70

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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.