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Finding the Fourth Proportional to 243,951.62, 336,688.46 and 140,566.02

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Solution

The fourth proportional to 243,951.62, 336,688.46 and 140,566.02 is: 194,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,951.62 : 336,688.46 = 140,566.02 : x
  2. Step 2: Convert to fraction form
    243,951.62/336,688.46 = 140,566.02/x
  3. Step 3: Cross multiply
    243,951.62x = 336,688.46 × 140,566.02
  4. Step 4: Simplify right side
    243,951.62x = 47,326,956,802.13
  5. Step 5: Solve for x
    x = 47,326,956,802.13/243,951.62
  6. Step 6: Final answer
    x = 194,001.40

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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.