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Finding the Fourth Proportional to 127,164.84, 175,486.59 and 70,576.26

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Solution

The fourth proportional to 127,164.84, 175,486.59 and 70,576.26 is: 97,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,164.84 : 175,486.59 = 70,576.26 : x
  2. Step 2: Convert to fraction form
    127,164.84/175,486.59 = 70,576.26/x
  3. Step 3: Cross multiply
    127,164.84x = 175,486.59 × 70,576.26
  4. Step 4: Simplify right side
    127,164.84x = 12,385,187,202.35
  5. Step 5: Solve for x
    x = 12,385,187,202.35/127,164.84
  6. Step 6: Final answer
    x = 97,394.75

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1.5x scale

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.