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Finding the Fourth Proportional to 236,980.80, 355,341.60 and 96,580.80

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Solution

The fourth proportional to 236,980.80, 355,341.60 and 96,580.80 is: 144,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,980.80 : 355,341.60 = 96,580.80 : x
  2. Step 2: Convert to fraction form
    236,980.80/355,341.60 = 96,580.80/x
  3. Step 3: Cross multiply
    236,980.80x = 355,341.60 × 96,580.80
  4. Step 4: Simplify right side
    236,980.80x = 34,319,176,001.28
  5. Step 5: Solve for x
    x = 34,319,176,001.28/236,980.80
  6. Step 6: Final answer
    x = 144,818.38

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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.