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Finding the Fourth Proportional to 104,433.70, 144,118.02 and 56,686.63

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Solution

The fourth proportional to 104,433.70, 144,118.02 and 56,686.63 is: 78,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.70 : 144,118.02 = 56,686.63 : x
  2. Step 2: Convert to fraction form
    104,433.70/144,118.02 = 56,686.63/x
  3. Step 3: Cross multiply
    104,433.70x = 144,118.02 × 56,686.63
  4. Step 4: Simplify right side
    104,433.70x = 8,169,564,876.07
  5. Step 5: Solve for x
    x = 8,169,564,876.07/104,433.70
  6. Step 6: Final answer
    x = 78,227.29

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1.5x scale

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.