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Finding the Fourth Proportional to 132,692.76, 183,117.19 and 72,263.68

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Solution

The fourth proportional to 132,692.76, 183,117.19 and 72,263.68 is: 99,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,692.76 : 183,117.19 = 72,263.68 : x
  2. Step 2: Convert to fraction form
    132,692.76/183,117.19 = 72,263.68/x
  3. Step 3: Cross multiply
    132,692.76x = 183,117.19 × 72,263.68
  4. Step 4: Simplify right side
    132,692.76x = 13,232,722,201.32
  5. Step 5: Solve for x
    x = 13,232,722,201.32/132,692.76
  6. Step 6: Final answer
    x = 99,724.52

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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.