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Finding the Fourth Proportional to 341,990.08, 513,160.08 and 154,977.28

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Solution

The fourth proportional to 341,990.08, 513,160.08 and 154,977.28 is: 232,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,990.08 : 513,160.08 = 154,977.28 : x
  2. Step 2: Convert to fraction form
    341,990.08/513,160.08 = 154,977.28/x
  3. Step 3: Cross multiply
    341,990.08x = 513,160.08 × 154,977.28
  4. Step 4: Simplify right side
    341,990.08x = 79,528,153,402.98
  5. Step 5: Solve for x
    x = 79,528,153,402.98/341,990.08
  6. Step 6: Final answer
    x = 232,545.21

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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.