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Finding the Fourth Proportional to 165,554, 228,457.63 and 97,573.87

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Solution

The fourth proportional to 165,554, 228,457.63 and 97,573.87 is: 134,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,554 : 228,457.63 = 97,573.87 : x
  2. Step 2: Convert to fraction form
    165,554/228,457.63 = 97,573.87/x
  3. Step 3: Cross multiply
    165,554x = 228,457.63 × 97,573.87
  4. Step 4: Simplify right side
    165,554x = 22,291,495,090.13
  5. Step 5: Solve for x
    x = 22,291,495,090.13/165,554
  6. Step 6: Final answer
    x = 134,647.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.