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Finding the Fourth Proportional to 177,891.71, 245,496.35 and 97,319.23

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Solution

The fourth proportional to 177,891.71, 245,496.35 and 97,319.23 is: 134,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,891.71 : 245,496.35 = 97,319.23 : x
  2. Step 2: Convert to fraction form
    177,891.71/245,496.35 = 97,319.23/x
  3. Step 3: Cross multiply
    177,891.71x = 245,496.35 × 97,319.23
  4. Step 4: Simplify right side
    177,891.71x = 23,891,515,379.37
  5. Step 5: Solve for x
    x = 23,891,515,379.37/177,891.71
  6. Step 6: Final answer
    x = 134,303.71

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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.