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Finding the Fourth Proportional to 129,041.40, 193,483.45 and 57,950.22

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Solution

The fourth proportional to 129,041.40, 193,483.45 and 57,950.22 is: 86,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,041.40 : 193,483.45 = 57,950.22 : x
  2. Step 2: Convert to fraction form
    129,041.40/193,483.45 = 57,950.22/x
  3. Step 3: Cross multiply
    129,041.40x = 193,483.45 × 57,950.22
  4. Step 4: Simplify right side
    129,041.40x = 11,212,408,493.86
  5. Step 5: Solve for x
    x = 11,212,408,493.86/129,041.40
  6. Step 6: Final answer
    x = 86,890.01

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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.