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Finding the Fourth Proportional to 106,560.77, 147,055.07 and 58,814.11

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Solution

The fourth proportional to 106,560.77, 147,055.07 and 58,814.11 is: 81,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,560.77 : 147,055.07 = 58,814.11 : x
  2. Step 2: Convert to fraction form
    106,560.77/147,055.07 = 58,814.11/x
  3. Step 3: Cross multiply
    106,560.77x = 147,055.07 × 58,814.11
  4. Step 4: Simplify right side
    106,560.77x = 8,648,913,063.04
  5. Step 5: Solve for x
    x = 8,648,913,063.04/106,560.77
  6. Step 6: Final answer
    x = 81,164.14

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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.