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Finding the Fourth Proportional to 366,070.16, 548,949.72 and 126,210.32

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Solution

The fourth proportional to 366,070.16, 548,949.72 and 126,210.32 is: 189,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,070.16 : 548,949.72 = 126,210.32 : x
  2. Step 2: Convert to fraction form
    366,070.16/548,949.72 = 126,210.32/x
  3. Step 3: Cross multiply
    366,070.16x = 548,949.72 × 126,210.32
  4. Step 4: Simplify right side
    366,070.16x = 69,283,119,825.11
  5. Step 5: Solve for x
    x = 69,283,119,825.11/366,070.16
  6. Step 6: Final answer
    x = 189,261.86

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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.