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Finding the Fourth Proportional to 116,007.60, 173,881.80 and 66,111.60

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Solution

The fourth proportional to 116,007.60, 173,881.80 and 66,111.60 is: 99,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,007.60 : 173,881.80 = 66,111.60 : x
  2. Step 2: Convert to fraction form
    116,007.60/173,881.80 = 66,111.60/x
  3. Step 3: Cross multiply
    116,007.60x = 173,881.80 × 66,111.60
  4. Step 4: Simplify right side
    116,007.60x = 11,495,604,008.88
  5. Step 5: Solve for x
    x = 11,495,604,008.88/116,007.60
  6. Step 6: Final answer
    x = 99,093.54

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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.