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Finding the Fourth Proportional to 183,699.79, 253,520.36 and 103,132.60

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Solution

The fourth proportional to 183,699.79, 253,520.36 and 103,132.60 is: 142,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,699.79 : 253,520.36 = 103,132.60 : x
  2. Step 2: Convert to fraction form
    183,699.79/253,520.36 = 103,132.60/x
  3. Step 3: Cross multiply
    183,699.79x = 253,520.36 × 103,132.60
  4. Step 4: Simplify right side
    183,699.79x = 26,146,213,364.07
  5. Step 5: Solve for x
    x = 26,146,213,364.07/183,699.79
  6. Step 6: Final answer
    x = 142,331.21

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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.