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Finding the Fourth Proportional to 185,544.96, 256,076.19 and 103,904.30

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Solution

The fourth proportional to 185,544.96, 256,076.19 and 103,904.30 is: 143,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,544.96 : 256,076.19 = 103,904.30 : x
  2. Step 2: Convert to fraction form
    185,544.96/256,076.19 = 103,904.30/x
  3. Step 3: Cross multiply
    185,544.96x = 256,076.19 × 103,904.30
  4. Step 4: Simplify right side
    185,544.96x = 26,607,417,908.81
  5. Step 5: Solve for x
    x = 26,607,417,908.81/185,544.96
  6. Step 6: Final answer
    x = 143,401.46

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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.