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Finding the Fourth Proportional to 108,461.34, 149,678.24 and 62,495.64

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Solution

The fourth proportional to 108,461.34, 149,678.24 and 62,495.64 is: 86,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461.34 : 149,678.24 = 62,495.64 : x
  2. Step 2: Convert to fraction form
    108,461.34/149,678.24 = 62,495.64/x
  3. Step 3: Cross multiply
    108,461.34x = 149,678.24 × 62,495.64
  4. Step 4: Simplify right side
    108,461.34x = 9,354,237,090.40
  5. Step 5: Solve for x
    x = 9,354,237,090.40/108,461.34
  6. Step 6: Final answer
    x = 86,244.90

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1.5x scale

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.