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Finding the Fourth Proportional to 141,304, 211,956.48 and 42,808

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Solution

The fourth proportional to 141,304, 211,956.48 and 42,808 is: 64,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304 : 211,956.48 = 42,808 : x
  2. Step 2: Convert to fraction form
    141,304/211,956.48 = 42,808/x
  3. Step 3: Cross multiply
    141,304x = 211,956.48 × 42,808
  4. Step 4: Simplify right side
    141,304x = 9,073,432,995.84
  5. Step 5: Solve for x
    x = 9,073,432,995.84/141,304
  6. Step 6: Final answer
    x = 64,212.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.