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Finding the Fourth Proportional to 101,810.13, 152,737.12 and 30,726.81

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Solution

The fourth proportional to 101,810.13, 152,737.12 and 30,726.81 is: 46,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,810.13 : 152,737.12 = 30,726.81 : x
  2. Step 2: Convert to fraction form
    101,810.13/152,737.12 = 30,726.81/x
  3. Step 3: Cross multiply
    101,810.13x = 152,737.12 × 30,726.81
  4. Step 4: Simplify right side
    101,810.13x = 4,693,124,886.44
  5. Step 5: Solve for x
    x = 4,693,124,886.44/101,810.13
  6. Step 6: Final answer
    x = 46,096.84

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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.