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Finding the Fourth Proportional to 127,241.67, 175,598.91 and 70,653

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Solution

The fourth proportional to 127,241.67, 175,598.91 and 70,653 is: 97,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,241.67 : 175,598.91 = 70,653 : x
  2. Step 2: Convert to fraction form
    127,241.67/175,598.91 = 70,653/x
  3. Step 3: Cross multiply
    127,241.67x = 175,598.91 × 70,653
  4. Step 4: Simplify right side
    127,241.67x = 12,406,589,788.23
  5. Step 5: Solve for x
    x = 12,406,589,788.23/127,241.67
  6. Step 6: Final answer
    x = 97,504.14

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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.