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Finding the Fourth Proportional to 104,543.65, 144,269.47 and 56,797.39

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Solution

The fourth proportional to 104,543.65, 144,269.47 and 56,797.39 is: 78,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.65 : 144,269.47 = 56,797.39 : x
  2. Step 2: Convert to fraction form
    104,543.65/144,269.47 = 56,797.39/x
  3. Step 3: Cross multiply
    104,543.65x = 144,269.47 × 56,797.39
  4. Step 4: Simplify right side
    104,543.65x = 8,194,129,068.70
  5. Step 5: Solve for x
    x = 8,194,129,068.70/104,543.65
  6. Step 6: Final answer
    x = 78,379.98

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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.