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Finding the Fourth Proportional to 141,487.19, 211,875.87 and 84,525.96

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Solution

The fourth proportional to 141,487.19, 211,875.87 and 84,525.96 is: 126,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,487.19 : 211,875.87 = 84,525.96 : x
  2. Step 2: Convert to fraction form
    141,487.19/211,875.87 = 84,525.96/x
  3. Step 3: Cross multiply
    141,487.19x = 211,875.87 × 84,525.96
  4. Step 4: Simplify right side
    141,487.19x = 17,909,011,312.59
  5. Step 5: Solve for x
    x = 17,909,011,312.59/141,487.19
  6. Step 6: Final answer
    x = 126,576.91

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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.