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Finding the Fourth Proportional to 104,477.66, 144,175.14 and 56,729.94

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Solution

The fourth proportional to 104,477.66, 144,175.14 and 56,729.94 is: 78,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,477.66 : 144,175.14 = 56,729.94 : x
  2. Step 2: Convert to fraction form
    104,477.66/144,175.14 = 56,729.94/x
  3. Step 3: Cross multiply
    104,477.66x = 144,175.14 × 56,729.94
  4. Step 4: Simplify right side
    104,477.66x = 8,179,047,041.69
  5. Step 5: Solve for x
    x = 8,179,047,041.69/104,477.66
  6. Step 6: Final answer
    x = 78,285.13

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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.