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Finding the Fourth Proportional to 114,238.95, 171,225.95 and 67,531.11

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Solution

The fourth proportional to 114,238.95, 171,225.95 and 67,531.11 is: 101,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,238.95 : 171,225.95 = 67,531.11 : x
  2. Step 2: Convert to fraction form
    114,238.95/171,225.95 = 67,531.11/x
  3. Step 3: Cross multiply
    114,238.95x = 171,225.95 × 67,531.11
  4. Step 4: Simplify right side
    114,238.95x = 11,563,078,126.65
  5. Step 5: Solve for x
    x = 11,563,078,126.65/114,238.95
  6. Step 6: Final answer
    x = 101,218.35

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1.5x scale

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.