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Finding the Fourth Proportional to 261,744.64, 360,844.80 and 176,727.04

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Solution

The fourth proportional to 261,744.64, 360,844.80 and 176,727.04 is: 243,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,744.64 : 360,844.80 = 176,727.04 : x
  2. Step 2: Convert to fraction form
    261,744.64/360,844.80 = 176,727.04/x
  3. Step 3: Cross multiply
    261,744.64x = 360,844.80 × 176,727.04
  4. Step 4: Simplify right side
    261,744.64x = 63,771,033,403.39
  5. Step 5: Solve for x
    x = 63,771,033,403.39/261,744.64
  6. Step 6: Final answer
    x = 243,638.35

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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.