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Finding the Fourth Proportional to 108,195.51, 162,280.71 and 29,315.69

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Solution

The fourth proportional to 108,195.51, 162,280.71 and 29,315.69 is: 43,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,195.51 : 162,280.71 = 29,315.69 : x
  2. Step 2: Convert to fraction form
    108,195.51/162,280.71 = 29,315.69/x
  3. Step 3: Cross multiply
    108,195.51x = 162,280.71 × 29,315.69
  4. Step 4: Simplify right side
    108,195.51x = 4,757,370,987.34
  5. Step 5: Solve for x
    x = 4,757,370,987.34/108,195.51
  6. Step 6: Final answer
    x = 43,970.13

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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.