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Finding the Fourth Proportional to 160,370.40, 221,310 and 88,750.56

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Solution

The fourth proportional to 160,370.40, 221,310 and 88,750.56 is: 122,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,370.40 : 221,310 = 88,750.56 : x
  2. Step 2: Convert to fraction form
    160,370.40/221,310 = 88,750.56/x
  3. Step 3: Cross multiply
    160,370.40x = 221,310 × 88,750.56
  4. Step 4: Simplify right side
    160,370.40x = 19,641,386,433.60
  5. Step 5: Solve for x
    x = 19,641,386,433.60/160,370.40
  6. Step 6: Final answer
    x = 122,475.14

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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.