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Finding the Fourth Proportional to 118,655.55, 177,885.77 and 55,444.41

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Solution

The fourth proportional to 118,655.55, 177,885.77 and 55,444.41 is: 83,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,655.55 : 177,885.77 = 55,444.41 : x
  2. Step 2: Convert to fraction form
    118,655.55/177,885.77 = 55,444.41/x
  3. Step 3: Cross multiply
    118,655.55x = 177,885.77 × 55,444.41
  4. Step 4: Simplify right side
    118,655.55x = 9,862,771,287.82
  5. Step 5: Solve for x
    x = 9,862,771,287.82/118,655.55
  6. Step 6: Final answer
    x = 83,121.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.