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Finding the Fourth Proportional to 106,751.61, 147,313.71 and 59,004.72

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Solution

The fourth proportional to 106,751.61, 147,313.71 and 59,004.72 is: 81,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,751.61 : 147,313.71 = 59,004.72 : x
  2. Step 2: Convert to fraction form
    106,751.61/147,313.71 = 59,004.72/x
  3. Step 3: Cross multiply
    106,751.61x = 147,313.71 × 59,004.72
  4. Step 4: Simplify right side
    106,751.61x = 8,692,204,210.71
  5. Step 5: Solve for x
    x = 8,692,204,210.71/106,751.61
  6. Step 6: Final answer
    x = 81,424.57

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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.