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Finding the Fourth Proportional to 108,302.79, 149,461.17 and 60,564.63

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Solution

The fourth proportional to 108,302.79, 149,461.17 and 60,564.63 is: 83,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,302.79 : 149,461.17 = 60,564.63 : x
  2. Step 2: Convert to fraction form
    108,302.79/149,461.17 = 60,564.63/x
  3. Step 3: Cross multiply
    108,302.79x = 149,461.17 × 60,564.63
  4. Step 4: Simplify right side
    108,302.79x = 9,052,060,460.42
  5. Step 5: Solve for x
    x = 9,052,060,460.42/108,302.79
  6. Step 6: Final answer
    x = 83,581.05

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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.