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Finding the Fourth Proportional to 74,810.63, 103,238.66 and 41,276.63

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Solution

The fourth proportional to 74,810.63, 103,238.66 and 41,276.63 is: 56,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810.63 : 103,238.66 = 41,276.63 : x
  2. Step 2: Convert to fraction form
    74,810.63/103,238.66 = 41,276.63/x
  3. Step 3: Cross multiply
    74,810.63x = 103,238.66 × 41,276.63
  4. Step 4: Simplify right side
    74,810.63x = 4,261,343,557.51
  5. Step 5: Solve for x
    x = 4,261,343,557.51/74,810.63
  6. Step 6: Final answer
    x = 56,961.74

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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.