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Finding the Fourth Proportional to 106,812.10, 160,218.15 and 97,480.90

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Solution

The fourth proportional to 106,812.10, 160,218.15 and 97,480.90 is: 146,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812.10 : 160,218.15 = 97,480.90 : x
  2. Step 2: Convert to fraction form
    106,812.10/160,218.15 = 97,480.90/x
  3. Step 3: Cross multiply
    106,812.10x = 160,218.15 × 97,480.90
  4. Step 4: Simplify right side
    106,812.10x = 15,618,209,458.34
  5. Step 5: Solve for x
    x = 15,618,209,458.34/106,812.10
  6. Step 6: Final answer
    x = 146,221.35

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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.