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Finding the Fourth Proportional to 277,193.98, 382,527.63 and 156,335.01

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Solution

The fourth proportional to 277,193.98, 382,527.63 and 156,335.01 is: 215,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,193.98 : 382,527.63 = 156,335.01 : x
  2. Step 2: Convert to fraction form
    277,193.98/382,527.63 = 156,335.01/x
  3. Step 3: Cross multiply
    277,193.98x = 382,527.63 × 156,335.01
  4. Step 4: Simplify right side
    277,193.98x = 59,802,459,426.85
  5. Step 5: Solve for x
    x = 59,802,459,426.85/277,193.98
  6. Step 6: Final answer
    x = 215,742.27

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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.