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Finding the Fourth Proportional to 173,673.30, 260,509.95 and 117,540.30

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Solution

The fourth proportional to 173,673.30, 260,509.95 and 117,540.30 is: 176,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,673.30 : 260,509.95 = 117,540.30 : x
  2. Step 2: Convert to fraction form
    173,673.30/260,509.95 = 117,540.30/x
  3. Step 3: Cross multiply
    173,673.30x = 260,509.95 × 117,540.30
  4. Step 4: Simplify right side
    173,673.30x = 30,620,417,675.99
  5. Step 5: Solve for x
    x = 30,620,417,675.99/173,673.30
  6. Step 6: Final answer
    x = 176,310.45

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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.