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Finding the Fourth Proportional to 160,588.64, 221,605.98 and 88,969.76

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Solution

The fourth proportional to 160,588.64, 221,605.98 and 88,969.76 is: 122,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,588.64 : 221,605.98 = 88,969.76 : x
  2. Step 2: Convert to fraction form
    160,588.64/221,605.98 = 88,969.76/x
  3. Step 3: Cross multiply
    160,588.64x = 221,605.98 × 88,969.76
  4. Step 4: Simplify right side
    160,588.64x = 19,716,230,855.16
  5. Step 5: Solve for x
    x = 19,716,230,855.16/160,588.64
  6. Step 6: Final answer
    x = 122,774.75

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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.