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Finding the Fourth Proportional to 216,957.76, 299,191.32 and 169,193.68

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Solution

The fourth proportional to 216,957.76, 299,191.32 and 169,193.68 is: 233,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,957.76 : 299,191.32 = 169,193.68 : x
  2. Step 2: Convert to fraction form
    216,957.76/299,191.32 = 169,193.68/x
  3. Step 3: Cross multiply
    216,957.76x = 299,191.32 × 169,193.68
  4. Step 4: Simplify right side
    216,957.76x = 50,621,280,454.86
  5. Step 5: Solve for x
    x = 50,621,280,454.86/216,957.76
  6. Step 6: Final answer
    x = 233,323.21

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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.