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Finding the Fourth Proportional to 94,060, 141,090 and 28,396

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Solution

The fourth proportional to 94,060, 141,090 and 28,396 is: 42,594

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,060 : 141,090 = 28,396 : x
  2. Step 2: Convert to fraction form
    94,060/141,090 = 28,396/x
  3. Step 3: Cross multiply
    94,060x = 141,090 × 28,396
  4. Step 4: Simplify right side
    94,060x = 4,006,391,640
  5. Step 5: Solve for x
    x = 4,006,391,640/94,060
  6. Step 6: Final answer
    x = 42,594

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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.