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Finding the Fourth Proportional to 108,727.80, 150,045.60 and 60,330.60

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Solution

The fourth proportional to 108,727.80, 150,045.60 and 60,330.60 is: 83,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727.80 : 150,045.60 = 60,330.60 : x
  2. Step 2: Convert to fraction form
    108,727.80/150,045.60 = 60,330.60/x
  3. Step 3: Cross multiply
    108,727.80x = 150,045.60 × 60,330.60
  4. Step 4: Simplify right side
    108,727.80x = 9,052,341,075.36
  5. Step 5: Solve for x
    x = 9,052,341,075.36/108,727.80
  6. Step 6: Final answer
    x = 83,256.91

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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.