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Finding the Fourth Proportional to 108,340.30, 162,445.65 and 55,852.30

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Solution

The fourth proportional to 108,340.30, 162,445.65 and 55,852.30 is: 83,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,340.30 : 162,445.65 = 55,852.30 : x
  2. Step 2: Convert to fraction form
    108,340.30/162,445.65 = 55,852.30/x
  3. Step 3: Cross multiply
    108,340.30x = 162,445.65 × 55,852.30
  4. Step 4: Simplify right side
    108,340.30x = 9,072,963,177.50
  5. Step 5: Solve for x
    x = 9,072,963,177.50/108,340.30
  6. Step 6: Final answer
    x = 83,745.04

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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.