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Finding the Fourth Proportional to 104,141, 156,259.10 and 56,685

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Solution

The fourth proportional to 104,141, 156,259.10 and 56,685 is: 85,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,141 : 156,259.10 = 56,685 : x
  2. Step 2: Convert to fraction form
    104,141/156,259.10 = 56,685/x
  3. Step 3: Cross multiply
    104,141x = 156,259.10 × 56,685
  4. Step 4: Simplify right side
    104,141x = 8,857,547,083.50
  5. Step 5: Solve for x
    x = 8,857,547,083.50/104,141
  6. Step 6: Final answer
    x = 85,053.41

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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.