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Finding the Fourth Proportional to 108,620.22, 149,901.82 and 60,888.90

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Solution

The fourth proportional to 108,620.22, 149,901.82 and 60,888.90 is: 84,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,620.22 : 149,901.82 = 60,888.90 : x
  2. Step 2: Convert to fraction form
    108,620.22/149,901.82 = 60,888.90/x
  3. Step 3: Cross multiply
    108,620.22x = 149,901.82 × 60,888.90
  4. Step 4: Simplify right side
    108,620.22x = 9,127,356,927.80
  5. Step 5: Solve for x
    x = 9,127,356,927.80/108,620.22
  6. Step 6: Final answer
    x = 84,030.00

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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.