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Finding the Fourth Proportional to 173,855.16, 260,870.22 and 129,570.84

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Solution

The fourth proportional to 173,855.16, 260,870.22 and 129,570.84 is: 194,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,855.16 : 260,870.22 = 129,570.84 : x
  2. Step 2: Convert to fraction form
    173,855.16/260,870.22 = 129,570.84/x
  3. Step 3: Cross multiply
    173,855.16x = 260,870.22 × 129,570.84
  4. Step 4: Simplify right side
    173,855.16x = 33,801,173,536.38
  5. Step 5: Solve for x
    x = 33,801,173,536.38/173,855.16
  6. Step 6: Final answer
    x = 194,421.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.