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Finding the Fourth Proportional to 125,383.32, 186,771.78 and 118,592.64

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Solution

The fourth proportional to 125,383.32, 186,771.78 and 118,592.64 is: 176,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,383.32 : 186,771.78 = 118,592.64 : x
  2. Step 2: Convert to fraction form
    125,383.32/186,771.78 = 118,592.64/x
  3. Step 3: Cross multiply
    125,383.32x = 186,771.78 × 118,592.64
  4. Step 4: Simplify right side
    125,383.32x = 22,149,758,467.70
  5. Step 5: Solve for x
    x = 22,149,758,467.70/125,383.32
  6. Step 6: Final answer
    x = 176,656.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.