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Finding the Fourth Proportional to 66,232.16, 91,354.92 and 55,300.16

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Solution

The fourth proportional to 66,232.16, 91,354.92 and 55,300.16 is: 76,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.16 : 91,354.92 = 55,300.16 : x
  2. Step 2: Convert to fraction form
    66,232.16/91,354.92 = 55,300.16/x
  3. Step 3: Cross multiply
    66,232.16x = 91,354.92 × 55,300.16
  4. Step 4: Simplify right side
    66,232.16x = 5,051,941,692.79
  5. Step 5: Solve for x
    x = 5,051,941,692.79/66,232.16
  6. Step 6: Final answer
    x = 76,276.26

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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.