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Finding the Fourth Proportional to 101,277.63, 139,755.06 and 58,838.94

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Solution

The fourth proportional to 101,277.63, 139,755.06 and 58,838.94 is: 81,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.63 : 139,755.06 = 58,838.94 : x
  2. Step 2: Convert to fraction form
    101,277.63/139,755.06 = 58,838.94/x
  3. Step 3: Cross multiply
    101,277.63x = 139,755.06 × 58,838.94
  4. Step 4: Simplify right side
    101,277.63x = 8,223,039,590.04
  5. Step 5: Solve for x
    x = 8,223,039,590.04/101,277.63
  6. Step 6: Final answer
    x = 81,193.05

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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.