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Finding the Fourth Proportional to 116,440.60, 174,737.70 and 42,568.60

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Solution

The fourth proportional to 116,440.60, 174,737.70 and 42,568.60 is: 63,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,440.60 : 174,737.70 = 42,568.60 : x
  2. Step 2: Convert to fraction form
    116,440.60/174,737.70 = 42,568.60/x
  3. Step 3: Cross multiply
    116,440.60x = 174,737.70 × 42,568.60
  4. Step 4: Simplify right side
    116,440.60x = 7,438,339,256.22
  5. Step 5: Solve for x
    x = 7,438,339,256.22/116,440.60
  6. Step 6: Final answer
    x = 63,880.98

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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.