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Finding the Fourth Proportional to 175,317.80, 262,458.30 and 156,655.40

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Solution

The fourth proportional to 175,317.80, 262,458.30 and 156,655.40 is: 234,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,317.80 : 262,458.30 = 156,655.40 : x
  2. Step 2: Convert to fraction form
    175,317.80/262,458.30 = 156,655.40/x
  3. Step 3: Cross multiply
    175,317.80x = 262,458.30 × 156,655.40
  4. Step 4: Simplify right side
    175,317.80x = 41,115,509,969.82
  5. Step 5: Solve for x
    x = 41,115,509,969.82/175,317.80
  6. Step 6: Final answer
    x = 234,519.88

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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.