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Finding the Fourth Proportional to 117,004,615.80, 175,506,923.70 and 82,992,391.80

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Solution

The fourth proportional to 117,004,615.80, 175,506,923.70 and 82,992,391.80 is: 124,488,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,004,615.80 : 175,506,923.70 = 82,992,391.80 : x
  2. Step 2: Convert to fraction form
    117,004,615.80/175,506,923.70 = 82,992,391.80/x
  3. Step 3: Cross multiply
    117,004,615.80x = 175,506,923.70 × 82,992,391.80
  4. Step 4: Simplify right side
    117,004,615.80x = 14,565,739,375,323,104
  5. Step 5: Solve for x
    x = 14,565,739,375,323,104/117,004,615.80
  6. Step 6: Final answer
    x = 124,488,587.70

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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.