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Finding the Fourth Proportional to 132,552.70, 182,922.64 and 72,123.28

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Solution

The fourth proportional to 132,552.70, 182,922.64 and 72,123.28 is: 99,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,552.70 : 182,922.64 = 72,123.28 : x
  2. Step 2: Convert to fraction form
    132,552.70/182,922.64 = 72,123.28/x
  3. Step 3: Cross multiply
    132,552.70x = 182,922.64 × 72,123.28
  4. Step 4: Simplify right side
    132,552.70x = 13,192,980,783.06
  5. Step 5: Solve for x
    x = 13,192,980,783.06/132,552.70
  6. Step 6: Final answer
    x = 99,530.08

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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.