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Finding the Fourth Proportional to 185,792.74, 256,350.05 and 109,315.16

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Solution

The fourth proportional to 185,792.74, 256,350.05 and 109,315.16 is: 150,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,792.74 : 256,350.05 = 109,315.16 : x
  2. Step 2: Convert to fraction form
    185,792.74/256,350.05 = 109,315.16/x
  3. Step 3: Cross multiply
    185,792.74x = 256,350.05 × 109,315.16
  4. Step 4: Simplify right side
    185,792.74x = 28,022,946,185.18
  5. Step 5: Solve for x
    x = 28,022,946,185.18/185,792.74
  6. Step 6: Final answer
    x = 150,829.07

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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.