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Finding the Fourth Proportional to 173,897.55, 260,846.33 and 155,198.70

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Solution

The fourth proportional to 173,897.55, 260,846.33 and 155,198.70 is: 232,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,897.55 : 260,846.33 = 155,198.70 : x
  2. Step 2: Convert to fraction form
    173,897.55/260,846.33 = 155,198.70/x
  3. Step 3: Cross multiply
    173,897.55x = 260,846.33 × 155,198.70
  4. Step 4: Simplify right side
    173,897.55x = 40,483,011,315.77
  5. Step 5: Solve for x
    x = 40,483,011,315.77/173,897.55
  6. Step 6: Final answer
    x = 232,798.05

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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.