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Finding the Fourth Proportional to 104,614.83, 144,369.32 and 56,868.08

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Solution

The fourth proportional to 104,614.83, 144,369.32 and 56,868.08 is: 78,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,614.83 : 144,369.32 = 56,868.08 : x
  2. Step 2: Convert to fraction form
    104,614.83/144,369.32 = 56,868.08/x
  3. Step 3: Cross multiply
    104,614.83x = 144,369.32 × 56,868.08
  4. Step 4: Simplify right side
    104,614.83x = 8,210,005,033.12
  5. Step 5: Solve for x
    x = 8,210,005,033.12/104,614.83
  6. Step 6: Final answer
    x = 78,478.41

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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.