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Finding the Fourth Proportional to 141,304.59, 195,000.30 and 77,646.51

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Solution

The fourth proportional to 141,304.59, 195,000.30 and 77,646.51 is: 107,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.59 : 195,000.30 = 77,646.51 : x
  2. Step 2: Convert to fraction form
    141,304.59/195,000.30 = 77,646.51/x
  3. Step 3: Cross multiply
    141,304.59x = 195,000.30 × 77,646.51
  4. Step 4: Simplify right side
    141,304.59x = 15,141,092,743.95
  5. Step 5: Solve for x
    x = 15,141,092,743.95/141,304.59
  6. Step 6: Final answer
    x = 107,152.17

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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.