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Finding the Fourth Proportional to 70,868.96, 97,740.98 and 51,727.22

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Solution

The fourth proportional to 70,868.96, 97,740.98 and 51,727.22 is: 71,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,868.96 : 97,740.98 = 51,727.22 : x
  2. Step 2: Convert to fraction form
    70,868.96/97,740.98 = 51,727.22/x
  3. Step 3: Cross multiply
    70,868.96x = 97,740.98 × 51,727.22
  4. Step 4: Simplify right side
    70,868.96x = 5,055,869,175.48
  5. Step 5: Solve for x
    x = 5,055,869,175.48/70,868.96
  6. Step 6: Final answer
    x = 71,341.09

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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.