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Finding the Fourth Proportional to 536,513.81, 804,767.51 and 137,153.95

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Solution

The fourth proportional to 536,513.81, 804,767.51 and 137,153.95 is: 205,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,513.81 : 804,767.51 = 137,153.95 : x
  2. Step 2: Convert to fraction form
    536,513.81/804,767.51 = 137,153.95/x
  3. Step 3: Cross multiply
    536,513.81x = 804,767.51 × 137,153.95
  4. Step 4: Simplify right side
    536,513.81x = 110,377,041,159.13
  5. Step 5: Solve for x
    x = 110,377,041,159.13/536,513.81
  6. Step 6: Final answer
    x = 205,730.10

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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.