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Finding the Fourth Proportional to 72,637, 100,244.53 and 44,348.16

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Solution

The fourth proportional to 72,637, 100,244.53 and 44,348.16 is: 61,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,637 : 100,244.53 = 44,348.16 : x
  2. Step 2: Convert to fraction form
    72,637/100,244.53 = 44,348.16/x
  3. Step 3: Cross multiply
    72,637x = 100,244.53 × 44,348.16
  4. Step 4: Simplify right side
    72,637x = 4,445,660,455.56
  5. Step 5: Solve for x
    x = 4,445,660,455.56/72,637
  6. Step 6: Final answer
    x = 61,203.80

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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.