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Finding the Fourth Proportional to 141,607.13, 212,411.25 and 57,368.88

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Solution

The fourth proportional to 141,607.13, 212,411.25 and 57,368.88 is: 86,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,607.13 : 212,411.25 = 57,368.88 : x
  2. Step 2: Convert to fraction form
    141,607.13/212,411.25 = 57,368.88/x
  3. Step 3: Cross multiply
    141,607.13x = 212,411.25 × 57,368.88
  4. Step 4: Simplify right side
    141,607.13x = 12,185,795,511.90
  5. Step 5: Solve for x
    x = 12,185,795,511.90/141,607.13
  6. Step 6: Final answer
    x = 86,053.55

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Why These Related Problems?

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