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Finding the Fourth Proportional to 127,240.68, 175,597.54 and 70,652

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Solution

The fourth proportional to 127,240.68, 175,597.54 and 70,652 is: 97,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,240.68 : 175,597.54 = 70,652 : x
  2. Step 2: Convert to fraction form
    127,240.68/175,597.54 = 70,652/x
  3. Step 3: Cross multiply
    127,240.68x = 175,597.54 × 70,652
  4. Step 4: Simplify right side
    127,240.68x = 12,406,317,396.08
  5. Step 5: Solve for x
    x = 12,406,317,396.08/127,240.68
  6. Step 6: Final answer
    x = 97,502.76

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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.