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Finding the Fourth Proportional to 625,436.34, 938,154.51 and 152,122.02

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Solution

The fourth proportional to 625,436.34, 938,154.51 and 152,122.02 is: 228,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,436.34 : 938,154.51 = 152,122.02 : x
  2. Step 2: Convert to fraction form
    625,436.34/938,154.51 = 152,122.02/x
  3. Step 3: Cross multiply
    625,436.34x = 938,154.51 × 152,122.02
  4. Step 4: Simplify right side
    625,436.34x = 142,713,959,133.31
  5. Step 5: Solve for x
    x = 142,713,959,133.31/625,436.34
  6. Step 6: Final answer
    x = 228,183.03

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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.