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Finding the Fourth Proportional to 236,429.80, 354,582.30 and 118,013.80

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Solution

The fourth proportional to 236,429.80, 354,582.30 and 118,013.80 is: 176,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,429.80 : 354,582.30 = 118,013.80 : x
  2. Step 2: Convert to fraction form
    236,429.80/354,582.30 = 118,013.80/x
  3. Step 3: Cross multiply
    236,429.80x = 354,582.30 × 118,013.80
  4. Step 4: Simplify right side
    236,429.80x = 41,845,604,635.74
  5. Step 5: Solve for x
    x = 41,845,604,635.74/236,429.80
  6. Step 6: Final answer
    x = 176,989.55

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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.