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Finding the Fourth Proportional to 109,446.96, 151,030.29 and 63,503.04

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Solution

The fourth proportional to 109,446.96, 151,030.29 and 63,503.04 is: 87,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,446.96 : 151,030.29 = 63,503.04 : x
  2. Step 2: Convert to fraction form
    109,446.96/151,030.29 = 63,503.04/x
  3. Step 3: Cross multiply
    109,446.96x = 151,030.29 × 63,503.04
  4. Step 4: Simplify right side
    109,446.96x = 9,590,882,547.08
  5. Step 5: Solve for x
    x = 9,590,882,547.08/109,446.96
  6. Step 6: Final answer
    x = 87,630.42

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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.