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Finding the Fourth Proportional to 114,712.20, 172,068.30 and 96,341.40

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Solution

The fourth proportional to 114,712.20, 172,068.30 and 96,341.40 is: 144,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,712.20 : 172,068.30 = 96,341.40 : x
  2. Step 2: Convert to fraction form
    114,712.20/172,068.30 = 96,341.40/x
  3. Step 3: Cross multiply
    114,712.20x = 172,068.30 × 96,341.40
  4. Step 4: Simplify right side
    114,712.20x = 16,577,300,917.62
  5. Step 5: Solve for x
    x = 16,577,300,917.62/114,712.20
  6. Step 6: Final answer
    x = 144,512.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.