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Finding the Fourth Proportional to 74,212.63, 110,911.47 and 54,264.13

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Solution

The fourth proportional to 74,212.63, 110,911.47 and 54,264.13 is: 81,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,212.63 : 110,911.47 = 54,264.13 : x
  2. Step 2: Convert to fraction form
    74,212.63/110,911.47 = 54,264.13/x
  3. Step 3: Cross multiply
    74,212.63x = 110,911.47 × 54,264.13
  4. Step 4: Simplify right side
    74,212.63x = 6,018,514,426.57
  5. Step 5: Solve for x
    x = 6,018,514,426.57/74,212.63
  6. Step 6: Final answer
    x = 81,098.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.