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Finding the Fourth Proportional to 648,080.52, 972,120.88 and 174,765.93

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Solution

The fourth proportional to 648,080.52, 972,120.88 and 174,765.93 is: 262,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,080.52 : 972,120.88 = 174,765.93 : x
  2. Step 2: Convert to fraction form
    648,080.52/972,120.88 = 174,765.93/x
  3. Step 3: Cross multiply
    648,080.52x = 972,120.88 × 174,765.93
  4. Step 4: Simplify right side
    648,080.52x = 169,893,609,884.08
  5. Step 5: Solve for x
    x = 169,893,609,884.08/648,080.52
  6. Step 6: Final answer
    x = 262,148.92

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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.