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Finding the Fourth Proportional to 163,604.70, 245,358.45 and 63,707.40

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Solution

The fourth proportional to 163,604.70, 245,358.45 and 63,707.40 is: 95,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,604.70 : 245,358.45 = 63,707.40 : x
  2. Step 2: Convert to fraction form
    163,604.70/245,358.45 = 63,707.40/x
  3. Step 3: Cross multiply
    163,604.70x = 245,358.45 × 63,707.40
  4. Step 4: Simplify right side
    163,604.70x = 15,631,148,917.53
  5. Step 5: Solve for x
    x = 15,631,148,917.53/163,604.70
  6. Step 6: Final answer
    x = 95,542.18

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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.