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Finding the Fourth Proportional to 141,655.68, 212,512.32 and 58,549.68

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Solution

The fourth proportional to 141,655.68, 212,512.32 and 58,549.68 is: 87,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,655.68 : 212,512.32 = 58,549.68 : x
  2. Step 2: Convert to fraction form
    141,655.68/212,512.32 = 58,549.68/x
  3. Step 3: Cross multiply
    141,655.68x = 212,512.32 × 58,549.68
  4. Step 4: Simplify right side
    141,655.68x = 12,442,528,332.06
  5. Step 5: Solve for x
    x = 12,442,528,332.06/141,655.68
  6. Step 6: Final answer
    x = 87,836.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.