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Finding the Fourth Proportional to 160,068, 220,892.94 and 88,448.04

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Solution

The fourth proportional to 160,068, 220,892.94 and 88,448.04 is: 122,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,068 : 220,892.94 = 88,448.04 : x
  2. Step 2: Convert to fraction form
    160,068/220,892.94 = 88,448.04/x
  3. Step 3: Cross multiply
    160,068x = 220,892.94 × 88,448.04
  4. Step 4: Simplify right side
    160,068x = 19,537,547,592.84
  5. Step 5: Solve for x
    x = 19,537,547,592.84/160,068
  6. Step 6: Final answer
    x = 122,057.80

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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.