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Finding the Fourth Proportional to 242,813.79, 335,294.57 and 152,325.29

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Solution

The fourth proportional to 242,813.79, 335,294.57 and 152,325.29 is: 210,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,813.79 : 335,294.57 = 152,325.29 : x
  2. Step 2: Convert to fraction form
    242,813.79/335,294.57 = 152,325.29/x
  3. Step 3: Cross multiply
    242,813.79x = 335,294.57 × 152,325.29
  4. Step 4: Simplify right side
    242,813.79x = 51,073,840,172.58
  5. Step 5: Solve for x
    x = 51,073,840,172.58/242,813.79
  6. Step 6: Final answer
    x = 210,341.60

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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.