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Finding the Fourth Proportional to 75,423, 104,092.92 and 43,592.16

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Solution

The fourth proportional to 75,423, 104,092.92 and 43,592.16 is: 60,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423 : 104,092.92 = 43,592.16 : x
  2. Step 2: Convert to fraction form
    75,423/104,092.92 = 43,592.16/x
  3. Step 3: Cross multiply
    75,423x = 104,092.92 × 43,592.16
  4. Step 4: Simplify right side
    75,423x = 4,537,635,223.51
  5. Step 5: Solve for x
    x = 4,537,635,223.51/75,423
  6. Step 6: Final answer
    x = 60,162.49

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1.5x scale

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.