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Finding the Fourth Proportional to 265,957.12, 366,984.44 and 152,779.84

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Solution

The fourth proportional to 265,957.12, 366,984.44 and 152,779.84 is: 210,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,957.12 : 366,984.44 = 152,779.84 : x
  2. Step 2: Convert to fraction form
    265,957.12/366,984.44 = 152,779.84/x
  3. Step 3: Cross multiply
    265,957.12x = 366,984.44 × 152,779.84
  4. Step 4: Simplify right side
    265,957.12x = 56,067,824,025.69
  5. Step 5: Solve for x
    x = 56,067,824,025.69/265,957.12
  6. Step 6: Final answer
    x = 210,815.28

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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.