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Finding the Fourth Proportional to 101,353.48, 139,881.71 and 58,332.10

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Solution

The fourth proportional to 101,353.48, 139,881.71 and 58,332.10 is: 80,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,353.48 : 139,881.71 = 58,332.10 : x
  2. Step 2: Convert to fraction form
    101,353.48/139,881.71 = 58,332.10/x
  3. Step 3: Cross multiply
    101,353.48x = 139,881.71 × 58,332.10
  4. Step 4: Simplify right side
    101,353.48x = 8,159,593,790.24
  5. Step 5: Solve for x
    x = 8,159,593,790.24/101,353.48
  6. Step 6: Final answer
    x = 80,506.30

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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.