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Finding the Fourth Proportional to 72,526.94, 100,094.38 and 48,703.22

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Solution

The fourth proportional to 72,526.94, 100,094.38 and 48,703.22 is: 67,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.94 : 100,094.38 = 48,703.22 : x
  2. Step 2: Convert to fraction form
    72,526.94/100,094.38 = 48,703.22/x
  3. Step 3: Cross multiply
    72,526.94x = 100,094.38 × 48,703.22
  4. Step 4: Simplify right side
    72,526.94x = 4,874,918,609.90
  5. Step 5: Solve for x
    x = 4,874,918,609.90/72,526.94
  6. Step 6: Final answer
    x = 67,215.28

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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.