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Finding the Fourth Proportional to 116,311.80, 174,467.70 and 97,649.40

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Solution

The fourth proportional to 116,311.80, 174,467.70 and 97,649.40 is: 146,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,311.80 : 174,467.70 = 97,649.40 : x
  2. Step 2: Convert to fraction form
    116,311.80/174,467.70 = 97,649.40/x
  3. Step 3: Cross multiply
    116,311.80x = 174,467.70 × 97,649.40
  4. Step 4: Simplify right side
    116,311.80x = 17,036,666,224.38
  5. Step 5: Solve for x
    x = 17,036,666,224.38/116,311.80
  6. Step 6: Final answer
    x = 146,474.10

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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.