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Finding the Fourth Proportional to 124,633.34, 171,997.80 and 70,926.09

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Solution

The fourth proportional to 124,633.34, 171,997.80 and 70,926.09 is: 97,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,633.34 : 171,997.80 = 70,926.09 : x
  2. Step 2: Convert to fraction form
    124,633.34/171,997.80 = 70,926.09/x
  3. Step 3: Cross multiply
    124,633.34x = 171,997.80 × 70,926.09
  4. Step 4: Simplify right side
    124,633.34x = 12,199,131,442.60
  5. Step 5: Solve for x
    x = 12,199,131,442.60/124,633.34
  6. Step 6: Final answer
    x = 97,880.16

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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.