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Finding the Fourth Proportional to 168,812.88, 233,007.84 and 105,113.04

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Solution

The fourth proportional to 168,812.88, 233,007.84 and 105,113.04 is: 145,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812.88 : 233,007.84 = 105,113.04 : x
  2. Step 2: Convert to fraction form
    168,812.88/233,007.84 = 105,113.04/x
  3. Step 3: Cross multiply
    168,812.88x = 233,007.84 × 105,113.04
  4. Step 4: Simplify right side
    168,812.88x = 24,492,162,406.23
  5. Step 5: Solve for x
    x = 24,492,162,406.23/168,812.88
  6. Step 6: Final answer
    x = 145,084.68

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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.