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Finding the Fourth Proportional to 96,379.60, 144,569.40 and 92,005.60

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Solution

The fourth proportional to 96,379.60, 144,569.40 and 92,005.60 is: 138,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,379.60 : 144,569.40 = 92,005.60 : x
  2. Step 2: Convert to fraction form
    96,379.60/144,569.40 = 92,005.60/x
  3. Step 3: Cross multiply
    96,379.60x = 144,569.40 × 92,005.60
  4. Step 4: Simplify right side
    96,379.60x = 13,301,194,388.64
  5. Step 5: Solve for x
    x = 13,301,194,388.64/96,379.60
  6. Step 6: Final answer
    x = 138,008.40

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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.