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Finding the Fourth Proportional to 141,649.40, 212,474.10 and 97,412.60

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Solution

The fourth proportional to 141,649.40, 212,474.10 and 97,412.60 is: 146,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,649.40 : 212,474.10 = 97,412.60 : x
  2. Step 2: Convert to fraction form
    141,649.40/212,474.10 = 97,412.60/x
  3. Step 3: Cross multiply
    141,649.40x = 212,474.10 × 97,412.60
  4. Step 4: Simplify right side
    141,649.40x = 20,697,654,513.66
  5. Step 5: Solve for x
    x = 20,697,654,513.66/141,649.40
  6. Step 6: Final answer
    x = 146,118.90

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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.