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Finding the Fourth Proportional to 145,492.08, 200,707.92 and 88,805.04

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Solution

The fourth proportional to 145,492.08, 200,707.92 and 88,805.04 is: 122,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,492.08 : 200,707.92 = 88,805.04 : x
  2. Step 2: Convert to fraction form
    145,492.08/200,707.92 = 88,805.04/x
  3. Step 3: Cross multiply
    145,492.08x = 200,707.92 × 88,805.04
  4. Step 4: Simplify right side
    145,492.08x = 17,823,874,863.92
  5. Step 5: Solve for x
    x = 17,823,874,863.92/145,492.08
  6. Step 6: Final answer
    x = 122,507.53

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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.