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Finding the Fourth Proportional to 254,681.28, 382,017.98 and 65,139.97

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Solution

The fourth proportional to 254,681.28, 382,017.98 and 65,139.97 is: 97,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,681.28 : 382,017.98 = 65,139.97 : x
  2. Step 2: Convert to fraction form
    254,681.28/382,017.98 = 65,139.97/x
  3. Step 3: Cross multiply
    254,681.28x = 382,017.98 × 65,139.97
  4. Step 4: Simplify right side
    254,681.28x = 24,884,638,429.32
  5. Step 5: Solve for x
    x = 24,884,638,429.32/254,681.28
  6. Step 6: Final answer
    x = 97,708.94

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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.