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Finding the Fourth Proportional to 104,632.65, 144,391.50 and 56,885.58

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Solution

The fourth proportional to 104,632.65, 144,391.50 and 56,885.58 is: 78,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,632.65 : 144,391.50 = 56,885.58 : x
  2. Step 2: Convert to fraction form
    104,632.65/144,391.50 = 56,885.58/x
  3. Step 3: Cross multiply
    104,632.65x = 144,391.50 × 56,885.58
  4. Step 4: Simplify right side
    104,632.65x = 8,213,794,224.57
  5. Step 5: Solve for x
    x = 8,213,794,224.57/104,632.65
  6. Step 6: Final answer
    x = 78,501.25

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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.