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Finding the Fourth Proportional to 109,263.60, 163,780.20 and 62,415.60

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Solution

The fourth proportional to 109,263.60, 163,780.20 and 62,415.60 is: 93,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,263.60 : 163,780.20 = 62,415.60 : x
  2. Step 2: Convert to fraction form
    109,263.60/163,780.20 = 62,415.60/x
  3. Step 3: Cross multiply
    109,263.60x = 163,780.20 × 62,415.60
  4. Step 4: Simplify right side
    109,263.60x = 10,222,439,451.12
  5. Step 5: Solve for x
    x = 10,222,439,451.12/109,263.60
  6. Step 6: Final answer
    x = 93,557.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.