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Finding the Fourth Proportional to 163,995.84, 245,802.60 and 75,258.72

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Solution

The fourth proportional to 163,995.84, 245,802.60 and 75,258.72 is: 112,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,995.84 : 245,802.60 = 75,258.72 : x
  2. Step 2: Convert to fraction form
    163,995.84/245,802.60 = 75,258.72/x
  3. Step 3: Cross multiply
    163,995.84x = 245,802.60 × 75,258.72
  4. Step 4: Simplify right side
    163,995.84x = 18,498,789,048.67
  5. Step 5: Solve for x
    x = 18,498,789,048.67/163,995.84
  6. Step 6: Final answer
    x = 112,800.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.