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Finding the Fourth Proportional to 265,630.61, 366,567.93 and 144,771.88

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Solution

The fourth proportional to 265,630.61, 366,567.93 and 144,771.88 is: 199,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,630.61 : 366,567.93 = 144,771.88 : x
  2. Step 2: Convert to fraction form
    265,630.61/366,567.93 = 144,771.88/x
  3. Step 3: Cross multiply
    265,630.61x = 366,567.93 × 144,771.88
  4. Step 4: Simplify right side
    265,630.61x = 53,068,725,817.11
  5. Step 5: Solve for x
    x = 53,068,725,817.11/265,630.61
  6. Step 6: Final answer
    x = 199,783.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.