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Finding the Fourth Proportional to 108,217.64, 149,341.08 and 60,473

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Solution

The fourth proportional to 108,217.64, 149,341.08 and 60,473 is: 83,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,217.64 : 149,341.08 = 60,473 : x
  2. Step 2: Convert to fraction form
    108,217.64/149,341.08 = 60,473/x
  3. Step 3: Cross multiply
    108,217.64x = 149,341.08 × 60,473
  4. Step 4: Simplify right side
    108,217.64x = 9,031,103,130.84
  5. Step 5: Solve for x
    x = 9,031,103,130.84/108,217.64
  6. Step 6: Final answer
    x = 83,453.15

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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.