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Finding the Fourth Proportional to 112,311.60, 168,661.80 and 59,823.60

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Solution

The fourth proportional to 112,311.60, 168,661.80 and 59,823.60 is: 89,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,311.60 : 168,661.80 = 59,823.60 : x
  2. Step 2: Convert to fraction form
    112,311.60/168,661.80 = 59,823.60/x
  3. Step 3: Cross multiply
    112,311.60x = 168,661.80 × 59,823.60
  4. Step 4: Simplify right side
    112,311.60x = 10,089,956,058.48
  5. Step 5: Solve for x
    x = 10,089,956,058.48/112,311.60
  6. Step 6: Final answer
    x = 89,838.95

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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.