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Finding the Fourth Proportional to 150,537.53, 207,726.82 and 86,895.83

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Solution

The fourth proportional to 150,537.53, 207,726.82 and 86,895.83 is: 119,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,537.53 : 207,726.82 = 86,895.83 : x
  2. Step 2: Convert to fraction form
    150,537.53/207,726.82 = 86,895.83/x
  3. Step 3: Cross multiply
    150,537.53x = 207,726.82 × 86,895.83
  4. Step 4: Simplify right side
    150,537.53x = 18,050,594,437.16
  5. Step 5: Solve for x
    x = 18,050,594,437.16/150,537.53
  6. Step 6: Final answer
    x = 119,907.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.