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Finding the Fourth Proportional to 104,368.38, 144,024.48 and 56,620.71

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Solution

The fourth proportional to 104,368.38, 144,024.48 and 56,620.71 is: 78,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,368.38 : 144,024.48 = 56,620.71 : x
  2. Step 2: Convert to fraction form
    104,368.38/144,024.48 = 56,620.71/x
  3. Step 3: Cross multiply
    104,368.38x = 144,024.48 × 56,620.71
  4. Step 4: Simplify right side
    104,368.38x = 8,154,768,314.98
  5. Step 5: Solve for x
    x = 8,154,768,314.98/104,368.38
  6. Step 6: Final answer
    x = 78,134.47

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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.