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Finding the Fourth Proportional to 119,355.60, 164,714.40 and 65,646.12

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Solution

The fourth proportional to 119,355.60, 164,714.40 and 65,646.12 is: 90,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,355.60 : 164,714.40 = 65,646.12 : x
  2. Step 2: Convert to fraction form
    119,355.60/164,714.40 = 65,646.12/x
  3. Step 3: Cross multiply
    119,355.60x = 164,714.40 × 65,646.12
  4. Step 4: Simplify right side
    119,355.60x = 10,812,861,268.13
  5. Step 5: Solve for x
    x = 10,812,861,268.13/119,355.60
  6. Step 6: Final answer
    x = 90,593.67

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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.