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Finding the Fourth Proportional to 115,380.60, 173,070.90 and 62,892.60

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Solution

The fourth proportional to 115,380.60, 173,070.90 and 62,892.60 is: 94,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,380.60 : 173,070.90 = 62,892.60 : x
  2. Step 2: Convert to fraction form
    115,380.60/173,070.90 = 62,892.60/x
  3. Step 3: Cross multiply
    115,380.60x = 173,070.90 × 62,892.60
  4. Step 4: Simplify right side
    115,380.60x = 10,884,878,885.34
  5. Step 5: Solve for x
    x = 10,884,878,885.34/115,380.60
  6. Step 6: Final answer
    x = 94,338.90

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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.