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Finding the Fourth Proportional to 253,709.66, 349,950.58 and 163,180.18

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Solution

The fourth proportional to 253,709.66, 349,950.58 and 163,180.18 is: 225,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,709.66 : 349,950.58 = 163,180.18 : x
  2. Step 2: Convert to fraction form
    253,709.66/349,950.58 = 163,180.18/x
  3. Step 3: Cross multiply
    253,709.66x = 349,950.58 × 163,180.18
  4. Step 4: Simplify right side
    253,709.66x = 57,104,998,635.50
  5. Step 5: Solve for x
    x = 57,104,998,635.50/253,709.66
  6. Step 6: Final answer
    x = 225,080.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.