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Finding the Fourth Proportional to 243,281.83, 335,612.45 and 152,592.41

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Solution

The fourth proportional to 243,281.83, 335,612.45 and 152,592.41 is: 210,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281.83 : 335,612.45 = 152,592.41 : x
  2. Step 2: Convert to fraction form
    243,281.83/335,612.45 = 152,592.41/x
  3. Step 3: Cross multiply
    243,281.83x = 335,612.45 × 152,592.41
  4. Step 4: Simplify right side
    243,281.83x = 51,211,911,274.92
  5. Step 5: Solve for x
    x = 51,211,911,274.92/243,281.83
  6. Step 6: Final answer
    x = 210,504.47

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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.