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Finding the Fourth Proportional to 536,725.91, 805,088.19 and 137,366.89

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Solution

The fourth proportional to 536,725.91, 805,088.19 and 137,366.89 is: 206,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,725.91 : 805,088.19 = 137,366.89 : x
  2. Step 2: Convert to fraction form
    536,725.91/805,088.19 = 137,366.89/x
  3. Step 3: Cross multiply
    536,725.91x = 805,088.19 × 137,366.89
  4. Step 4: Simplify right side
    536,725.91x = 110,592,460,836.03
  5. Step 5: Solve for x
    x = 110,592,460,836.03/536,725.91
  6. Step 6: Final answer
    x = 206,050.16

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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.