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Finding the Fourth Proportional to 173,302.80, 259,516.80 and 113,816.40

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Solution

The fourth proportional to 173,302.80, 259,516.80 and 113,816.40 is: 170,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,302.80 : 259,516.80 = 113,816.40 : x
  2. Step 2: Convert to fraction form
    173,302.80/259,516.80 = 113,816.40/x
  3. Step 3: Cross multiply
    173,302.80x = 259,516.80 × 113,816.40
  4. Step 4: Simplify right side
    173,302.80x = 29,537,267,915.52
  5. Step 5: Solve for x
    x = 29,537,267,915.52/173,302.80
  6. Step 6: Final answer
    x = 170,437.34

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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.