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Finding the Fourth Proportional to 108,707.09, 163,059 and 37,681.43

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Solution

The fourth proportional to 108,707.09, 163,059 and 37,681.43 is: 56,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,707.09 : 163,059 = 37,681.43 : x
  2. Step 2: Convert to fraction form
    108,707.09/163,059 = 37,681.43/x
  3. Step 3: Cross multiply
    108,707.09x = 163,059 × 37,681.43
  4. Step 4: Simplify right side
    108,707.09x = 6,144,295,479.08
  5. Step 5: Solve for x
    x = 6,144,295,479.08/108,707.09
  6. Step 6: Final answer
    x = 56,521.57

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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.