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Finding the Fourth Proportional to 216,955.76, 299,188.60 and 169,191.68

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Solution

The fourth proportional to 216,955.76, 299,188.60 and 169,191.68 is: 233,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,955.76 : 299,188.60 = 169,191.68 : x
  2. Step 2: Convert to fraction form
    216,955.76/299,188.60 = 169,191.68/x
  3. Step 3: Cross multiply
    216,955.76x = 299,188.60 × 169,191.68
  4. Step 4: Simplify right side
    216,955.76x = 50,620,221,870.85
  5. Step 5: Solve for x
    x = 50,620,221,870.85/216,955.76
  6. Step 6: Final answer
    x = 233,320.48

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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.