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Finding the Fourth Proportional to 537,130.59, 805,696.06 and 137,771.31

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Solution

The fourth proportional to 537,130.59, 805,696.06 and 137,771.31 is: 206,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,130.59 : 805,696.06 = 137,771.31 : x
  2. Step 2: Convert to fraction form
    537,130.59/805,696.06 = 137,771.31/x
  3. Step 3: Cross multiply
    537,130.59x = 805,696.06 × 137,771.31
  4. Step 4: Simplify right side
    537,130.59x = 111,001,801,648.04
  5. Step 5: Solve for x
    x = 111,001,801,648.04/537,130.59
  6. Step 6: Final answer
    x = 206,657.01

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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.