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Finding the Fourth Proportional to 216,307.02, 324,454.86 and 97,892.04

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Solution

The fourth proportional to 216,307.02, 324,454.86 and 97,892.04 is: 146,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,307.02 : 324,454.86 = 97,892.04 : x
  2. Step 2: Convert to fraction form
    216,307.02/324,454.86 = 97,892.04/x
  3. Step 3: Cross multiply
    216,307.02x = 324,454.86 × 97,892.04
  4. Step 4: Simplify right side
    216,307.02x = 31,761,548,133.31
  5. Step 5: Solve for x
    x = 31,761,548,133.31/216,307.02
  6. Step 6: Final answer
    x = 146,835.49

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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.