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Finding the Fourth Proportional to 243,025.79, 335,359.62 and 152,377.88

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Solution

The fourth proportional to 243,025.79, 335,359.62 and 152,377.88 is: 210,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,025.79 : 335,359.62 = 152,377.88 : x
  2. Step 2: Convert to fraction form
    243,025.79/335,359.62 = 152,377.88/x
  3. Step 3: Cross multiply
    243,025.79x = 335,359.62 × 152,377.88
  4. Step 4: Simplify right side
    243,025.79x = 51,101,386,256.41
  5. Step 5: Solve for x
    x = 51,101,386,256.41/243,025.79
  6. Step 6: Final answer
    x = 210,271.46

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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.