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Finding the Fourth Proportional to 160,898.60, 222,041.04 and 89,280.02

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Solution

The fourth proportional to 160,898.60, 222,041.04 and 89,280.02 is: 123,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,898.60 : 222,041.04 = 89,280.02 : x
  2. Step 2: Convert to fraction form
    160,898.60/222,041.04 = 89,280.02/x
  3. Step 3: Cross multiply
    160,898.60x = 222,041.04 × 89,280.02
  4. Step 4: Simplify right side
    160,898.60x = 19,823,828,492.02
  5. Step 5: Solve for x
    x = 19,823,828,492.02/160,898.60
  6. Step 6: Final answer
    x = 123,206.97

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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.