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Finding the Fourth Proportional to 160,580.61, 221,594.94 and 88,961.76

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Solution

The fourth proportional to 160,580.61, 221,594.94 and 88,961.76 is: 122,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,580.61 : 221,594.94 = 88,961.76 : x
  2. Step 2: Convert to fraction form
    160,580.61/221,594.94 = 88,961.76/x
  3. Step 3: Cross multiply
    160,580.61x = 221,594.94 × 88,961.76
  4. Step 4: Simplify right side
    160,580.61x = 19,713,475,869.49
  5. Step 5: Solve for x
    x = 19,713,475,869.49/160,580.61
  6. Step 6: Final answer
    x = 122,763.74

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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.