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Finding the Fourth Proportional to 183,435.42, 253,033.62 and 115,344.60

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Solution

The fourth proportional to 183,435.42, 253,033.62 and 115,344.60 is: 159,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,435.42 : 253,033.62 = 115,344.60 : x
  2. Step 2: Convert to fraction form
    183,435.42/253,033.62 = 115,344.60/x
  3. Step 3: Cross multiply
    183,435.42x = 253,033.62 × 115,344.60
  4. Step 4: Simplify right side
    183,435.42x = 29,186,061,685.45
  5. Step 5: Solve for x
    x = 29,186,061,685.45/183,435.42
  6. Step 6: Final answer
    x = 159,108.10

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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.