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Finding the Fourth Proportional to 243,814.38, 365,389.38 and 117,445.44

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Solution

The fourth proportional to 243,814.38, 365,389.38 and 117,445.44 is: 176,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,814.38 : 365,389.38 = 117,445.44 : x
  2. Step 2: Convert to fraction form
    243,814.38/365,389.38 = 117,445.44/x
  3. Step 3: Cross multiply
    243,814.38x = 365,389.38 × 117,445.44
  4. Step 4: Simplify right side
    243,814.38x = 42,913,316,505.43
  5. Step 5: Solve for x
    x = 42,913,316,505.43/243,814.38
  6. Step 6: Final answer
    x = 176,008.14

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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.