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Finding the Fourth Proportional to 118,632.29, 163,754.21 and 73,345.01

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Solution

The fourth proportional to 118,632.29, 163,754.21 and 73,345.01 is: 101,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,632.29 : 163,754.21 = 73,345.01 : x
  2. Step 2: Convert to fraction form
    118,632.29/163,754.21 = 73,345.01/x
  3. Step 3: Cross multiply
    118,632.29x = 163,754.21 × 73,345.01
  4. Step 4: Simplify right side
    118,632.29x = 12,010,553,534.58
  5. Step 5: Solve for x
    x = 12,010,553,534.58/118,632.29
  6. Step 6: Final answer
    x = 101,241.86

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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.