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Finding the Fourth Proportional to 108,953.87, 150,356.36 and 60,555.80

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Solution

The fourth proportional to 108,953.87, 150,356.36 and 60,555.80 is: 83,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,953.87 : 150,356.36 = 60,555.80 : x
  2. Step 2: Convert to fraction form
    108,953.87/150,356.36 = 60,555.80/x
  3. Step 3: Cross multiply
    108,953.87x = 150,356.36 × 60,555.80
  4. Step 4: Simplify right side
    108,953.87x = 9,104,950,192.17
  5. Step 5: Solve for x
    x = 9,104,950,192.17/108,953.87
  6. Step 6: Final answer
    x = 83,567.02

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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.