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Finding the Fourth Proportional to 216,354.04, 298,566.90 and 119,564.39

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Solution

The fourth proportional to 216,354.04, 298,566.90 and 119,564.39 is: 164,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,354.04 : 298,566.90 = 119,564.39 : x
  2. Step 2: Convert to fraction form
    216,354.04/298,566.90 = 119,564.39/x
  3. Step 3: Cross multiply
    216,354.04x = 298,566.90 × 119,564.39
  4. Step 4: Simplify right side
    216,354.04x = 35,697,970,019.11
  5. Step 5: Solve for x
    x = 35,697,970,019.11/216,354.04
  6. Step 6: Final answer
    x = 164,997.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.