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Finding the Fourth Proportional to 174,258.92, 240,479.78 and 130,574.12

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Solution

The fourth proportional to 174,258.92, 240,479.78 and 130,574.12 is: 180,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,258.92 : 240,479.78 = 130,574.12 : x
  2. Step 2: Convert to fraction form
    174,258.92/240,479.78 = 130,574.12/x
  3. Step 3: Cross multiply
    174,258.92x = 240,479.78 × 130,574.12
  4. Step 4: Simplify right side
    174,258.92x = 31,400,435,651.29
  5. Step 5: Solve for x
    x = 31,400,435,651.29/174,258.92
  6. Step 6: Final answer
    x = 180,194.14

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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.