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Finding the Fourth Proportional to 185,772.64, 256,365.12 and 100,888.96

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Solution

The fourth proportional to 185,772.64, 256,365.12 and 100,888.96 is: 139,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,772.64 : 256,365.12 = 100,888.96 : x
  2. Step 2: Convert to fraction form
    185,772.64/256,365.12 = 100,888.96/x
  3. Step 3: Cross multiply
    185,772.64x = 256,365.12 × 100,888.96
  4. Step 4: Simplify right side
    185,772.64x = 25,864,410,337.08
  5. Step 5: Solve for x
    x = 25,864,410,337.08/185,772.64
  6. Step 6: Final answer
    x = 139,226.15

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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.