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Finding the Fourth Proportional to 72,615.22, 100,220.13 and 44,337.46

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Solution

The fourth proportional to 72,615.22, 100,220.13 and 44,337.46 is: 61,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,615.22 : 100,220.13 = 44,337.46 : x
  2. Step 2: Convert to fraction form
    72,615.22/100,220.13 = 44,337.46/x
  3. Step 3: Cross multiply
    72,615.22x = 100,220.13 × 44,337.46
  4. Step 4: Simplify right side
    72,615.22x = 4,443,506,005.07
  5. Step 5: Solve for x
    x = 4,443,506,005.07/72,615.22
  6. Step 6: Final answer
    x = 61,192.49

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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.