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Finding the Fourth Proportional to 537,198.39, 805,710.02 and 158,030.47

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Solution

The fourth proportional to 537,198.39, 805,710.02 and 158,030.47 is: 237,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,198.39 : 805,710.02 = 158,030.47 : x
  2. Step 2: Convert to fraction form
    537,198.39/805,710.02 = 158,030.47/x
  3. Step 3: Cross multiply
    537,198.39x = 805,710.02 × 158,030.47
  4. Step 4: Simplify right side
    537,198.39x = 127,326,733,144.31
  5. Step 5: Solve for x
    x = 127,326,733,144.31/537,198.39
  6. Step 6: Final answer
    x = 237,019.95

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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.