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Finding the Fourth Proportional to 183,880.59, 253,759.05 and 103,313.31

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Solution

The fourth proportional to 183,880.59, 253,759.05 and 103,313.31 is: 142,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,880.59 : 253,759.05 = 103,313.31 : x
  2. Step 2: Convert to fraction form
    183,880.59/253,759.05 = 103,313.31/x
  3. Step 3: Cross multiply
    183,880.59x = 253,759.05 × 103,313.31
  4. Step 4: Simplify right side
    183,880.59x = 26,216,687,397.96
  5. Step 5: Solve for x
    x = 26,216,687,397.96/183,880.59
  6. Step 6: Final answer
    x = 142,574.52

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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.