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Finding the Fourth Proportional to 141,808.22, 212,712.32 and 97,300.04

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Solution

The fourth proportional to 141,808.22, 212,712.32 and 97,300.04 is: 145,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,808.22 : 212,712.32 = 97,300.04 : x
  2. Step 2: Convert to fraction form
    141,808.22/212,712.32 = 97,300.04/x
  3. Step 3: Cross multiply
    141,808.22x = 212,712.32 × 97,300.04
  4. Step 4: Simplify right side
    141,808.22x = 20,696,915,694.43
  5. Step 5: Solve for x
    x = 20,696,915,694.43/141,808.22
  6. Step 6: Final answer
    x = 145,950.05

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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.