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Finding the Fourth Proportional to 105,027.66, 144,941.67 and 57,283.65

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Solution

The fourth proportional to 105,027.66, 144,941.67 and 57,283.65 is: 79,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027.66 : 144,941.67 = 57,283.65 : x
  2. Step 2: Convert to fraction form
    105,027.66/144,941.67 = 57,283.65/x
  3. Step 3: Cross multiply
    105,027.66x = 144,941.67 × 57,283.65
  4. Step 4: Simplify right side
    105,027.66x = 8,302,787,894.70
  5. Step 5: Solve for x
    x = 8,302,787,894.70/105,027.66
  6. Step 6: Final answer
    x = 79,053.35

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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.