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Finding the Fourth Proportional to 183,693.15, 253,522.98 and 102,040.29

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Solution

The fourth proportional to 183,693.15, 253,522.98 and 102,040.29 is: 140,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,693.15 : 253,522.98 = 102,040.29 : x
  2. Step 2: Convert to fraction form
    183,693.15/253,522.98 = 102,040.29/x
  3. Step 3: Cross multiply
    183,693.15x = 253,522.98 × 102,040.29
  4. Step 4: Simplify right side
    183,693.15x = 25,869,558,400.86
  5. Step 5: Solve for x
    x = 25,869,558,400.86/183,693.15
  6. Step 6: Final answer
    x = 140,830.28

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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.