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Finding the Fourth Proportional to 76,265.55, 105,243.66 and 41,810.13

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Solution

The fourth proportional to 76,265.55, 105,243.66 and 41,810.13 is: 57,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,265.55 : 105,243.66 = 41,810.13 : x
  2. Step 2: Convert to fraction form
    76,265.55/105,243.66 = 41,810.13/x
  3. Step 3: Cross multiply
    76,265.55x = 105,243.66 × 41,810.13
  4. Step 4: Simplify right side
    76,265.55x = 4,400,251,106.28
  5. Step 5: Solve for x
    x = 4,400,251,106.28/76,265.55
  6. Step 6: Final answer
    x = 57,696.44

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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.