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Finding the Fourth Proportional to 222,746.60, 334,132.70 and 64,999.40

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Solution

The fourth proportional to 222,746.60, 334,132.70 and 64,999.40 is: 97,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,746.60 : 334,132.70 = 64,999.40 : x
  2. Step 2: Convert to fraction form
    222,746.60/334,132.70 = 64,999.40/x
  3. Step 3: Cross multiply
    222,746.60x = 334,132.70 × 64,999.40
  4. Step 4: Simplify right side
    222,746.60x = 21,718,425,020.38
  5. Step 5: Solve for x
    x = 21,718,425,020.38/222,746.60
  6. Step 6: Final answer
    x = 97,502.84

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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.