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Finding the Fourth Proportional to 183,904.56, 253,781.10 and 112,404.24

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Solution

The fourth proportional to 183,904.56, 253,781.10 and 112,404.24 is: 155,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,904.56 : 253,781.10 = 112,404.24 : x
  2. Step 2: Convert to fraction form
    183,904.56/253,781.10 = 112,404.24/x
  3. Step 3: Cross multiply
    183,904.56x = 253,781.10 × 112,404.24
  4. Step 4: Simplify right side
    183,904.56x = 28,526,071,671.86
  5. Step 5: Solve for x
    x = 28,526,071,671.86/183,904.56
  6. Step 6: Final answer
    x = 155,113.45

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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.