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Finding the Fourth Proportional to 94,689.84, 142,223.92 and 59,214.28

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Solution

The fourth proportional to 94,689.84, 142,223.92 and 59,214.28 is: 88,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689.84 : 142,223.92 = 59,214.28 : x
  2. Step 2: Convert to fraction form
    94,689.84/142,223.92 = 59,214.28/x
  3. Step 3: Cross multiply
    94,689.84x = 142,223.92 × 59,214.28
  4. Step 4: Simplify right side
    94,689.84x = 8,421,687,021.58
  5. Step 5: Solve for x
    x = 8,421,687,021.58/94,689.84
  6. Step 6: Final answer
    x = 88,939.71

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1.5x scale

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.