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Finding the Fourth Proportional to 108,600, 162,752.04 and 55,898.16

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Solution

The fourth proportional to 108,600, 162,752.04 and 55,898.16 is: 83,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,600 : 162,752.04 = 55,898.16 : x
  2. Step 2: Convert to fraction form
    108,600/162,752.04 = 55,898.16/x
  3. Step 3: Cross multiply
    108,600x = 162,752.04 × 55,898.16
  4. Step 4: Simplify right side
    108,600x = 9,097,539,572.25
  5. Step 5: Solve for x
    x = 9,097,539,572.25/108,600
  6. Step 6: Final answer
    x = 83,771.08

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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.