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Finding the Fourth Proportional to 76,053.10, 114,070.93 and 19,898.63

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Solution

The fourth proportional to 76,053.10, 114,070.93 and 19,898.63 is: 29,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,053.10 : 114,070.93 = 19,898.63 : x
  2. Step 2: Convert to fraction form
    76,053.10/114,070.93 = 19,898.63/x
  3. Step 3: Cross multiply
    76,053.10x = 114,070.93 × 19,898.63
  4. Step 4: Simplify right side
    76,053.10x = 2,269,855,229.83
  5. Step 5: Solve for x
    x = 2,269,855,229.83/76,053.10
  6. Step 6: Final answer
    x = 29,845.66

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1.5x scale

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.