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Finding the Fourth Proportional to 265,500.57, 366,386.52 and 144,643.32

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Solution

The fourth proportional to 265,500.57, 366,386.52 and 144,643.32 is: 199,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,500.57 : 366,386.52 = 144,643.32 : x
  2. Step 2: Convert to fraction form
    265,500.57/366,386.52 = 144,643.32/x
  3. Step 3: Cross multiply
    265,500.57x = 366,386.52 × 144,643.32
  4. Step 4: Simplify right side
    265,500.57x = 52,995,362,656.05
  5. Step 5: Solve for x
    x = 52,995,362,656.05/265,500.57
  6. Step 6: Final answer
    x = 199,605.46

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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.