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Finding the Fourth Proportional to 265,411.13, 366,261.89 and 144,554.54

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Solution

The fourth proportional to 265,411.13, 366,261.89 and 144,554.54 is: 199,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,411.13 : 366,261.89 = 144,554.54 : x
  2. Step 2: Convert to fraction form
    265,411.13/366,261.89 = 144,554.54/x
  3. Step 3: Cross multiply
    265,411.13x = 366,261.89 × 144,554.54
  4. Step 4: Simplify right side
    265,411.13x = 52,944,816,474.40
  5. Step 5: Solve for x
    x = 52,944,816,474.40/265,411.13
  6. Step 6: Final answer
    x = 199,482.28

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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.